70cm antenna

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70cm antenna

com FREE DELIVERY possible on eligible purchasesX5000: 144/430/1200MHz(2m/70cm/23cm) Length:1. 2m / 70cm 9 elements yagi (#1) (February 2012) Some time ago I decided to get a new 2m antenna, one which would enable me to work more DX stations, in particular the ones in and around the United Kingdom. Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working satellites or be built for use as a portable hand held antenna to extend the range of your HT. Requires only one cable down to the radio, ideal for dualband radios with integrated diplexer. The Moxon antenna was designed by Les Moxon G6XN and is an optimisation of an earlier Australian design for a compact 2el beam. 15 db (435 mhz). The mounting method in this case is the "cross". Now its time to add the additional elements to the top and bottom of the collinear array. A crossed satellite Antenna Diamond Antenna Dual-Band Mobile Antennas are a great combination of price, quality, and versatility! You can find the exact combination of features you want to suit any dual-band mobile antenna need. I've been producing these antennas professionally for nearly a decade Ausgangslage. I have chosen 4. Welcome to Elk Antennas! Log Periodic Antennas for the Radio Amateur Elk Antennas was started to give the Ham the best Log Periodic antennas with the best gain, directivitiy, and front-to-back ratio possible for the size and price. . At this point, we have everything working perfect, using a Yagi on the base station and testing with a half-wave inverted Vee antenna on the rocket rig. 2014HB9CV - 2 Element 70cm Antenna. Compare. 92 Mhz to be exact). Build A 9 dB, 70cm, Collinear Antenna From Coax By N1HFX Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. 10W Micro-Diplexer for 2m / 70cm. Alaskan Arrow LEO Satellite Antenna - 4 Elements for 2 Meters crossed with 10 Elements for 70 cm 121. A computer optimized UHF 70 cm Yagi antenna for radioamateurs, transmitting and receiving on 420 Mc - 430 Mc - 440 Mhz to 450 Mc with this beam in high gain Db's! any antenna that has been modified will be subject to a restocking charge. 2m and 70cm will have to be vertical and 6m will have to be horizontal for it to work. RF 1Notes appear on page 59. Antenna for Portable Satellite: Handheld Elk 2M/440L5 Dual-band Log Periodic antenna (used with Kenwood TH-D72a or BaoFeng UV-5R. 2015 Build A 9dB, 70cm Collinear Antenna Back to Projects Page! Home! Build A 9 dB, 70cm, Collinear Antenna From Coax By N1HFX Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. DualBand 2M/70cm mobile antenna, This is the most popular antenna in the Comet line for several reasons: Mid-size - mid-price range - open coil bends to absorb (Based on design by IW5EDI - Handi-Tenna)Here are constructional details of a simple high performance mini 70cm UHF antenna. $160 Circular polarized 10 dBdc end mounted antenna. I've been producing these antennas professionally for nearly a decade now and have sold over 15000 units. One of the members commented to me 7CP-70cm circular polarized antenna. A Tri Band Antenna for 2 meters, 220 MHz, and 70cm Antenna Without Radials By: Edison Fong (WB6IQN) Twenty years ago a single band handie talkie would have been adequate for emergency use The driven element is a dipole antenna that’s connected to the radio and receives the signal, just like a whip antenna. The overlapping outer shells add strength and durability while on the road. Strong boom. eBay Kleinanzeigen: 2m 70cm, Elektronik gebraucht kaufen - Jetzt finden oder inserieren! eBay Kleinanzeigen - Kostenlos. One of the members commented to me Make sure this fits by entering your model number. MA5B, Cushcraft’s multiband HF antenna provides 5-Band operation in a package small enough to mount to a tripod. Der Bau aus Kupferrohren und Verbindern aus dem Sanitärhandel aht zwar riesig Spaß gemacht, aber leider hat die Antenne nie richtig funktioniert. 2 Meter Jaden. The N9TAX Slim Jim antenna is the highest quality roll up antenna available today. You can also make the phasing sections as lines rather than coils too and figure 2 shows the details. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Length Foot Wind MPH; D130J: 2m / 70cm / 23cm: 25–1300 MHz. Absetzkitt IC E 208 Das Gerät ist neuwertig, original verpackt mit Anleitung. Good luck taking your test and welcome to amateur radio! Arcadian, Inc. The MFJ-941E gives you a 300 Watt antenna tuner that covers everything from 1. One of the members commented to me that I should write an article about collinear arrays so that we could all build our own. Absetzkitt und allen Kabeln. 7. left, diagonal) Inernational HAM Magazine ­ 100% HAM RADIO What is a good ground ? 9 Tips for PSK­31 ! A 70cm / 2m crossed satellite antenna. Additional information. The 70-centimeter or 440 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio and amateur satellite use. Product Description. 5:1 Car antenna 144-430Mhz AZ506 Diamond Slim Gainer. Whether you are operating portable or permanent, you will find the convenience of a dual-band Log Periodic antenna to be an incredibly convenient and powerful tool in your ham operations. Yagi Antennas for 144 and 432 MHz. Ausgangslage. According to MMANA this will with a distance of 3. You can either homebrew your own one (very easy and lots of designs available on the internet - just use Google) or buy a 2m/70cm antenna from any shop that sells amateur radio equipment. Vertical Dipole Portable Base Mobile Alpha Magnetic Loop antennas 432 MHz EME with a small antenna [2010] by Andreas Haefner, DJ3JJ A lot of people would like to do EME but think they need a big antenna for this. 5-3 Three Element Portable Hand Held Yagi - for 121. 0 verkauft, 1 verfügbar. Comet SBB2NMO - Dual-Band 2M / 70cm Mobile Amateur Radio Antenna. antenna seems to bring in the best signal, rotate it to f ind the best polarization. To scale this antenna for any other VHF/UHF frequency, read the ARRL article (. I found that 6m/2m/70cm will not work together all in the same plane. 70CM 2M Antenna - 137 results from brands Diamond, Comet, Harvest, products like HUSTLER G6-270R Vertical antenna, 2m/70cm, 9ft, Comet MH-511 6M,2M,70CM HT Antenna, SMA-MALE, Comet SBB_7 _ 2M_70cm Dual Band Mobile Antenna _PL259_ My vote for the best antenna project on the web. I used mostly all #6 stainless steel hardware to attach the antenna elements to the boom. 00. Mounting the antenna is possible using commonly av ailable hardware, such as 90 degree angle brackets, U bolts, or ev en v elcro. 6m/2m/70cm Triband Base Antenna The V2000 utilises a linear phase shift design to couple the different frequency band sections tog £109. Antenna wind Dual-Band 2m and 70cm Yagi antennas. 7CP-70cm circular polarized antenna. It is easy to build and install. Start by placing an external tooth lock washer on a machine screw then insert it into the hole drilled in the boom. I've been producing these antennas professionally for nearly a decade now and have sold over 15000 units. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. gain 11. The N9TAX Slim Jim antenna is the highest quality roll up antenna available today. The Yagis are classical designs and the tape measure method well known. The very best materials have been used to guarantee the maximum strength and the best performance. 95 : Free Shipping In Stock : Use a 54” piece of 450 ohm Ladder line. gain 6,2 dBd, F/B 20 dB. This is what it took for me to get the SWR low. 2dBi The Reference Antenna, Fig. Unknown said. The Jetstream JTBM270 is a dual band beam for 2m and 70cm. Compact and lightweight dualband yagi antenna for 2m and 70cm, with one common connector. J Poles. I Love Hiking! Yagi with 5 Elements on 2 m, 8 Elements on 70cm and one Feedpoint. When comparing my 2m and 70cm Lindenblads with my 2m and 70cm ground planes and discone (for both uplink and downlink), at no time were the GP or discone stronger than the strongest of the Lindenblads on the Microsats, FO-20, AO-21, RS-10 or RS-12. Ich habe zwar kein 4NEC2, aber EZNEC 5. Contact one of your local Diamond ® Dealers for current price & availability. I am communication officer for Sanders County Search and Rescue (scsar. One of the most-talked-about antennas is now better than ever a true two-band antenna! Just when you thought that all the variations of the j-pole have already been explored, here comes the latest B-Square dual-band version that takes this popular but often-misunderstood antenna to new heights. Waters & Stanton are suppliers of amateur and professional radio equipment, GPS, marine, aeronautical and short range handhelds as well as Europe's largest 70CM HO LOOP, 430-436 MHz $73. Amateur - Antennas - VHF/UHF/Microwave Antennas - 70 cm (432 www. Essentially it consists of two metal or wire elements: (1) a driven element with its ends bent back towards the reflector (2) which has its ends bent towards the driven element. A great antenna at a great price! If you're looking for an antenna EASY button, you'll have no worries with a BR 6157 WIDE BAND UHF Omni. I live in Westren Montana 2. A Useful Horizontally Polarised Omni-directional Antenna with Gain Most terrestrial DX activity on 144MHz uses SSB, CW or digital modes and horizontal antennas. I've been producing these antennas professionally for nearly a decade About SWR ; My OSJ 146/440 J-Pole went through 3 hurricanes in 6 weeks, with gusts speeds, on occasion, as high as 153 MPH. For someone like me who doesn't want to invest in a large Yagi array and a big rotator to turn it, thoughts turn to omnidirectional, horizontally polarised antennas. Version 2: With 8- and 10-mm-Elements (see down), built by SQ9VPA J-Pole Antenna: 2 M / 70cm HAM. No damage at all, and it Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Scanner Antennas : The Diamond RH77CA is an HT Top Section The Top Section you will enter the transmitter Coax impedance, Antenna impedance, an it will calculate the impedance of the 1/4 wavelength 3 elements HB9CV 435 MHz. Using a dual band "rubber duck" like the stock Baofeng antenna and/or the physically longer NA-771, which band will give the best results between two mountain tops given the same input power? The antenna is a Comet ca-2x4sr NMO with an added spring. Features: Fiberglass randome The UV-5X3 gets around this by giving a dual band antenna for use on 2m and 70cm and an additional antenna for 1. It out performs any rubber ducky or whip antenna. 201120. 4 of 6 Fig. It works the 6 meter, 2 meter and 70 centimeter bands. Die Antenne ist für den Portabelbetrieb ausreichend wetterfest, jedoch nicht auf starken Zug belastbar. 7CP-70cm circular polarized antenna. It works with Baofeng, Wouxun and other amateur ht two way radios (SRJ77CA is specifically made for Wouxun radios). No physical connection between the 2m and 70cm elements. The ground radial system is unique…the radials are screwed into 2 collars. This antenna also works great as a dual band antenna. We call the antennas Slim Jims and they pack a lot of punch but do not unpack your wallet. Our most popular seller, and has been used all around the world. I claim no special magic for this antenna desion. Frequency ) VHF/UHF 2m/70cm Max Powr 150W 1PC Free White Color Of Adaptor Connector NMO To UHF Female ( SO-239 ) by Anteenna Find great deals on eBay for 70cm antenna. This calculator is designed to give the horizontal length of a particular dipole (including Tees) antenna, or one side of it, for the frequency chosen. The picture left shows 2x7-El-DK7ZB-28-Ohm-Yagis and a commercial 70cm-Crossyagi at the station of Bernd, DO1NBW. Car antenna 144-430Mhz AZ506 Diamond Slim Gainer. The moxon can be further simplified by also eliminating the yagi's boom support. This page shows a 7 element, Yagi beam antenna built out of spare parts for the 70 CM band. $29. Crossbanding works most excellent. Example 10: Eggbeater LEO Satellite Antenna for 432 MHz (70cm) This omnidirectional circularly polarized antenna is designed for up-facing coverage of Low Earth Orbit Satellites. My antennas are installed in the attic as that is currently the only practical place for me to put them. The gain of an antenna with parasitic elements varies with the spacing and tuning of the elements, and thus for any given spacing there is a tuning condition that will give maximum gain this spacing. Vor einiger Zeit war ich auf der Suche nach einer kombinierten Antenne für 2m und 70cm, um damit portablen Funkbetrieb über die Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. This method of construction can be used on most UHF through "low" microwave Yagis, and is especially useful for the 33, 23 and 13 cm bands; These antennas were made with this process, and tested on this back-yard antenna range. Vor einiger Zeit war ich auf der Suche nach einer kombinierten Antenne für 2m und 70cm, um damit portablen Funkbetrieb über die Amateurfunksatelliten, wie AO-51, VO-52 oder AO-7 …Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. The charm is the mechanical arrangement. Diamond ® Antennas are sold through authorized dealers. I modeled this with 4nec2. The antenna was placed in a vertical orientation just outside my second-story window on a 6-inch bulkhead connector . 1/2" measuring tape is used and boom/element spacing is adjusted. This project learned me that the J-pole is a very nice antenna for the 70cm band. 95 each All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft AN-40 70cm Antennas. Shop with confidence. Recently I started to operate in the VHF band with all the limitations due to the urban life­style, as the lack Photo: EA5FUZ The X-Quad is an improved design of the well known multi element quads. Here’s a small 2m / 70cm diplexer that is good for up to 10W of power, perfect for working satellites with a HT. This is our latest antenna featuring coverage in a single antenna - 2 meters, 220MHz, and 70cm. Dual Band Antenna for 2m and 70cm. Offer is good for web orders only. Wimo 70 cm X-Quad Antenna This page describes the X-Quad, an antenna for the 70 cm band manufactured by Wimo. Success! • All 70cm Antennas built for the Arecibo Test were able to pick-up the signal as heard through the speaker, on Class day, Friday • Smallest was a 4 element “YO” yagi Main reasons I designed this antenna. Introduction. A computer optimized UHF 70 cm Yagi antenna for radioamateurs, transmitting and receiving on 420 Mc - 430 Mc - 440 Mhz to 450 Mc with this beam in high gain Db's! This shopping feature will continue to load items. Very pleased with the J-Pole I received, quality built, very well packed, fast shipment, reasonably priced, performs in an outstanding manner with incredibly low SWR. Fachhandel für Amateurfunk,, Antennen, Transceiver, Freenet-, LPD Geräte, PMR Geräte, ScannerBeim Design der 70cm Yagi orientierte ich mich weitgehend am Design der bekannten 28-Ohm-Antenne von DK7ZB, da diese bereits auf Bandmitte konfektioniert ist und sich dort auf 70cm ebenfalls der Bereich des Satellitenfunks befindet. Excellent mechanical properties. I'm installing a 2m/70cm radio and thought I'd take the opportunity to upgrade the antenna. The shorter 70cm waves have a much easier time getting through window openings than the longer 2 meter waves. Waters & Stanton are suppliers of amateur and professional radio equipment, GPS, marine, aeronautical and short range handhelds as well as Europe's largest ham radio demonstration center. 95 : Free Shipping Out of Stock PACKAGE OF TH8600WP AND 2M/70CM MAG MOUNT ANTENNA $124. We are using 2W serial TTL radios on the 70cm band (435. org) 3. Right hand twist is standard. Today's top ambient temperature is 9 degrees C while the feels-like is a chilly 2 degrees C. Diamond Dualband Aufsteckantenne mit 42 Gramm Gewicht zur Nutzung auf VHF-/UHF-Amateur-Handfunkgeräten mit R-SMA-Buchse. It is model EB-432/RK70CM from M2 Antenna Systems . This rugged antenna, an omnidirectional collinear, is capable of surviving harsh environments. Arcadian, Inc. boomlengte 35 cm70cm Halo-Antenne Nach einer Idee aus den UKW-Berichten ist diese Halo Antenne für 430MHz entstanden. Full wavelength loop, gain approx. Model #, Band, Stacked Element Phasing/ Wavelength, Gain/dB, Watts, Connector Type, Weight Lbs. The Yagi-Uda antenna--often just called a "Yagi"--is a popular antenna due to its gain, directionality, and relatively lightweight design (see the figure to the right). Die Anpassung auf die üblichen 50 Ohm …Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. Resources listed under 70cm antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. is a blend of technical expertise and common sense approach to accommodating your needs. Get band 2m 70cm antenna now on the internet. It needs to be short and I already have an NMO mount. OPEK - HR-601VU - VHF/UHF Dual Band Portable Ham Radio HT Antenna BNC. Beam,Dualband,5el + 5el 2m,70cm,10, 10,one boom $169. Any suggestions on what I should purchase? j-pole antenna super j-pole antenna cubic quad antenna arrow antennas dual band j-pole note: this antenna was disigned by arrow antennas 2m - 70cm direct Building a high performance 3 Elements lightweight end mount Yagi antenna for 70cm UHF band centered at 435 Mhz. Use on the ground fixed, on a This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands. Stick Antenna for the “Ham Gentleman” Walk about freely with this pedestrian-portable antenna. Easy to build ham radio dual band 2 meter and 70 centimeter ground plane antenna. This is based on the fact that the orange version is intended for inside or underground use where there is the car to uplink and the “CJU” antenna on my right hand to receive the downlink. 15dBi 1⁄4 wave I'm currently using a 2m thru-the-glass antenna -- you know, a dummy load. MwSt. Length Foot Wind MPH; D130J: 2m / 70cm / 23cm: 25–1300 MHz Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. 100 MHz, which just happened to both yield a length of 19. Add To Cart · 440-6SS, 420-450 MHz. Perfect gain and SWR on both bands. und gegebenenfalls zzgl. 08 inches for the longer of the two 3/8″ rod elements. A. 99. 060 MHz and 442. The Handi-Tenna 70 cm Portable Antenna Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip. Saturday 16 June 2018. Richtantennen für DX-Verkehr mit hohem Gewinn, robuster Aufbau. Simple Wideband Yagi’s for 2m and 70cm – Errata and extra pictures. Hi, die untere gefällt mir, aber wenn man sowas auf dem Dach stehen hat wird man wohl jeden Tag darauf angesprochen. Kap. Your First Antenna. SWR above 2. I get 11 dbi on 2m and 12. 2 Meter - 70cm Dual Band Fiberglass Base Station Antenna This dual band antenna is the perfect selection for the VHF/UHF enthusiast looking for strong, omni-directional performance. Unlike the compact internal antenna on a USB modem or cell phone, a Yagi's driven element is large enough to be fully sensitive to the frequencies of interest. I am thinking of adding a 70cm DMR rig as well. The MA5B is a design that does not sacrifice ruggedness, performance and power handling for size and ease of installation. 4, used for all the measurements was a 1/4 λ ground plane. Reduce background noise with the X510 Diamond antenna from Walcott Radio. includes u bolt bracket to fix antenna to pvc mast. This site offers a large group at the best prices. A Quagi antenna uses the same strategy as a Uda-Yagi, using a refltector, a driven element, and then a number of director elements. These Antennas are available for a number of bands and with a wide variety of connectors. In a previous Shack Talk article, we looked at the 2 Meter band plan. Find great deals on eBay for uhf satcom antenna and harris antenna. Product Features is a short compact pre-tuned mobile antenna for 2m/70cm amateur bands. A single antenna can cover the entire amateur 2m/70cm allocation with more than acceptable SWR. $65. £24. 5 dBd gain 80MHz Band Width 34" (85cm) tall 5/8 Ov 70cm 6-ELEMENT UHF YAGI ANTENNA homemade and homebrew 70cm 4-ELEMENT UHF YAGI ANTENNA homemade and homebrew J-POLE FOR VHF/UHF homemade and homebrew V2L Vertical 80m-70cm : Comet: B-10 & B-10NMO 2M/440 Antennas: HVT-400B HF/VHF Mobile Antenna: HVT-600 HF/VHF Mobile Antenna: VUG-144 2M Thru-The-Glass Antenna: The 2 meter J-Pole works great on the 70cm band as a dual band antenna, but sometimes you may want a 440MHz dedicated antenna. 10 Neue …Product Features * VHF/UHF Dual Band Gain Base Antenna Great for 2 Meter & 70cm Amateur Bands!Die meisten Antennen für das 2 Meter-Band lassen sich auch auf 70 cm in Resonanz betreiben, sind also für beide Bänder geeignet Die Antennen werden mit handelsüblichem 50 Ohm-Koaxialkabel (RG 58/RG 213/Aircell 7 usw. com ✓ FREE DELIVERY possible on eligible purchases. Sirio HP 2070H high gain VHF/UHF vehicular antenna working on 2m and 70 cm bands. High gain, Low Noise, Wideband operation, Excellent F/B. 5dB(144MHz),8. The WARC bands of 30, 17, 15, and 12 meters by using an antenna tuner. I specifically chose it because it had an optional spring, AND a fold over feature. 27 watching; |; 34 sold. 8 Doppelloop im Anodenkreis einer 100W-PA 40+80m ; Kap. Weight: 2. Use on the ground fixed, on a AZEL rotor or hand held for Rocket and Balloon ATV when some gain is necessary. 440-6SS, 420-450 MHz $94. 15dBi(430MHz) / Max. m2inc. 2m 70cm Diamond X 30 Base Antenna I received a ‘freebie’ Diamond X-30 2m 70cm Base Station omnidirectional vertical antenna from a local ham. Comet, Mobile, Antenna, SBB-2. stainless steel tube, all parts. Rolled-up it takes less place, fine at holidays. Wenn die Antenne 10m über "realer Erde" ist, beträgt der maximale Gewinn 4. Length Foot, Wind MPH. The below image is the measurements of the antenna. Sirio HP 2070H high gain VHF/UHF vehicular antenna working on 2m and 70 cm bands. Antenna for 70 cm 432 440 MHz is a curation of 77 resources about , 432 MHz yagi antenna, Experimental Patch Antenna, 432 MHz 5 elements Yagi, 26 elelements 432MHz LFA Yagi, DG7YBN - GTV 70-2m. Another great mobile radio antenna from the antenna specialists at Comet. You have just found the webstore of the highest quality hand made portable antenna on the market. Add to Cart. Comet AS-30 - 2M/70cm Superflex Dual Band Ham Radio HT Antenna SMA. 66 velocity factor ) provide just enough space to allow for feeding the top antenna with favourable spacing (1. Ideal for users of Icom IC706 series and Yaesu FT100 radios. 5 dBi. The ZOI Flowerpot is an end-fed half wave antenna for 2m made from nothing more than RG58 coax and 25mm PVC pipe. First add a ¼ wave element to the top of the antenna as shown in Figure 3. 440 band is generally around 2. 5/1 at the upper edge. Alle Preisangaben in Euro inkl. Home Made Antennas. Original Diamond SRJ-77CA 2m/70cm Antenne. Photograph of early prototype Lindenblad2 The main cause of the difficulty in designing and constructing these antennas is the need to Doing some planning on a possible add on for the truck. The “good” thing in this case is that a full wavelength in the 70cm band means; a 70cm (27. Lots of good reviews on this guy too. 66dBi at the center frequency 435Mhz for use in the Philippine UHF amateur band. High quality screw whip antenna with PL259 for car, from Diamond Antennas & Slim Gainer and amateur radio bands 144/430MHz (2m/70cm). Both antennas, along with a sturdy rotator atop a small mast, will give you excellent performance between 430-440 MHz (70 cm). Arcadian also offers related wireless gear including antenna mounting brackets, coaxial cable, enclosures, connectors and cable assemblies. 70cm Band 10 Element Base Station Yagi Center element insulated from ground What I am looking for is the longest possible dual band flex antenna that would work 2m/70cm in the Ham bands at 20w L and 25W H. ARES/RACES /FEMA - requirements • Must be easy to erect during an emergency. Excellent F/B, Excelent G/T. It's a good choice for repeater installations and can be top, or side mounted to the tower. 95. This is my revised "BASE" 2m/70cm Copper-Pipe "J", a "how-to DIY" with an optional method to Waters & Stanton are suppliers of amateur and professional radio equipment, GPS, marine, aeronautical and short range handhelds as well as Europe's largest Browse our large selection of 440/70cm antennas for base station and mobile use. Alle Baluns sind bis 200 Watt belastbar, mit einem Teflonbalun (Aufpreis 10,-€) bis 700 Watt. This antenna was designed for FEMA and is ideal both as a base antenna as well as an emergency antenna. 95 Your Price: $23. Wideband operation 432-434 or 430-440 MHz, low SWR on all frequencies. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Gruß UdoANYTONE AT-D878UV ist ein 2m/70cm Band Dualband Handfunkgerät mit DMR Tier 1 und Tier 2 und analoger FM Modulation. Boost your signal with our selection of VHF/UHF beam antennas! We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. 2cm between driven element and sleeve elements give an Feedpoint Impdance of 75 ohms on 2 meter and 50 ohms on 70cm. High gain, low noise 70cm antennas. if an antenna is so modified as to make it unusable, directive systems reserves the right to refuse to accept the antenna for return. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements with equal spacing for the Arrow. 6/1 in the middle and up to 2. . 9 Die elektronisch gekoppelte Loop, eine Neuentwicklung von DL4KCJ! Kap. com/categories/amateur/antennas/vhf-uhf-microwave-antennas/70-cm-432-440-mhz. 8m / Radia length:approx. Buy Comet SBB-5NMO 2M/70cm Dual Band Mobile Antenna: Antennas - Amazon. Particularly used in a city or area where the repeater sites are generally higher than the mobile station due to the pattern having an uptilt. Model # Band Stacked Element Phasing/ Wavelength Gain/dB Watts Connector Type Weight Lbs. ) Mobile Station : TYT TH-9800 with Diamond dual band antenna or my Kenwood TH-D74a which does surprising well as a mobile radio with the added benefit of having APRS. The reader will be guided through the assembly process step-by-step, and finally I'll describe my experience using it. The reflector is positioned behind the driven element, where it acts as a mirror by bouncing signals from the satellite forward to the driven element. They are especially designed for amateur radio, with the following characteristics: Switchable polarisation possible (hor, vert, circ. The weather around Canberra is cold wet and windy as a deep low, 994 hPa passes over south-east Australia. Version 1: Ultralight with 3,2-mm-Elements. Luiton Mobile Radio Antenna 27 Inch Dual Band Whip Base-load Magnetic Antenna for Luiton, Baofeng,BTECH Anytone Kenwood TYT Juentai Leixen TALKCOOP Mobile Radios(2 Meter & 70cm) Anteenna TW-770S Ham Mobile Antenna With UHF Male Connector 144/440MHz ( U. us store. To correct this I simply added a small tuning stub to each half of the 2 meter driven element. The Diamond Antenna SRH77CA / SRJ77CA / RH77CA is a dual band 2m/70cm ht antenna for portable handheld amateur two way radios. Well, in a couple of afternoons I have just built the prototype, now Pedro EB4DKA had to test it because he is the expert at working in portable conditions. Extra Labor Charge for each two piece element. 1. This is Part 1 of my evaluation of this antenna where I check Return Loss on both bands. mobile antenna for 2m/70cm. 95 (Inc VAT at 20%) Add To Cart View Details Wishlist Details Universal Types. DualBand 2M/70cm mobile antenna Gain & Wavelength: 2M 2. html70CM HO LOOP, 430-436 MHz $73. The VHF/UHF Amateur Satellite Antenna Kit, UC-AMSAT-KIT is a discounted pair of compact Quadrifilar Helix Antennas, designed to operate through Amateur Radio OSCAR satellites, which is available and sold at antennas. Sandpiper Antennas 2m/70cm Yagi Well, some years ago, I built my own stick-and-wire quads for 2m and 70cm, and to my absolute amazement, found it easy to work the SO-50 FM satellite with just a couple of Watts from a handheld. Add To Cart. Cut out 3 inches of the center part of the ladder line. The 4 element Yagi has a Reflector 2M, Reflector 70cm, Driven Element, Open Sleeve (basically 2 elements on 2M and 2 elements on 70cm). Optimized for 144 - 145 MHz or Yagi-Antennen für 2m und 70cm. In the past I successfully built J-poles for 2m, 10m, 15m and 17m. Quad loop as a mono band antenna for 2m or 70cm, or a dual band version for both bands. Boost the range of your 2M/70cm handheld transceiver with this simple dual band Yagi--no soldering or coax connectors required! The antenna described here is a direct-connect dual-rectangle beam for use on 70 cm between 440 and 450 MHz. 5m centre to centre) to allow the top antenna to be fed at the bottom, and the bottom antenna at the top. 89 Single SLOT antenna for 70cm and 23cm. ectomorph: I’ve just built this antenna and as a noob it’s a great way to get started but, silly question coming, how do the two different bands know which section of rod to radiate from, in other words how does the 70cm band pick the shorter element and the 2meter the other? Same basic design as #2, but cut for 70cm. Find great deals on eBay for 2m 70cm antenna. 95 . Diamond Antenna A430S10. Results of the 60cm Dish on the Antenna Range with different numbers of turns on SRH779: 144/430MHz(2m/70cm) Length:44cm(full length),16cm(retracted)8 stages/ Weight:38g Gain:2. Some of the groups in the area use GMRS/FRS for their trail rides. November QST: Recycling TV Antennas for 2-Meter Use - Page 1 ARRL 1996 QST/QEX/NCJ CD C i ht (C) 1997 b Th A i R di R l L I Figure 1—A gold mine of antenna components after complete disassembly. 70cm antenna 5/7. Super hohe von gebote. The Nagoya BA-6100E is a dual band 2m/70cm base station antenna with mounting hardware and UHF connector for dual band amateur base stations. High gain, low noise 70cm antennas. After making the video I realized that at 150 MHz the 2 meter driven element should be made slightly longer, not shorter. H polarisation, slot only on 1 side ~360 deg coverage(+/- 3dB) Stacked double SLOT antennas for 23cm, 13cm, 9cm, 6cm, 3cm. Sources and Links 2m and 70cm FlowerPot Antenna Note size of tube and turns on choke altered to uk tube size Someone asked me how much power the Flowerpot will take. - Für 2 € Aufpreis liefere ich einen Antennenadapter für PL-Buchsen mit. Once one of the antennas was fully assembled I used an SWR meter to determine if it was close to resonance at the desired frequency and if it wasn't I determined if it was high or low in frequency. My radio has the band, but my antenna orchard didn't have anything that would play on that band very effectively. With common connector for both bands or with separate connectors for 2 meter and 70 cm. The 70 cm band (420 to 450 MHz) is another popular ham band for simplex and repeater operating, so we’ll take a look at that band now. 5 lbs: Comet SBB-15 Mobile Tri-Band VHF/UHF 6m/2m/70cm Antenna offers three bands of performance. amateurradio) submitted 2 years ago by Yavimaya401 KC1FOG [tec] So I've seen a lot about the Nagoya NA-771, the Comet SMA-24 HT, and the MFJ-1717S. Adjust the SWR to the desired band segment, then use an antenna tuner to TX outside of the 2:1 or less band-width. S. If you stack two 50 ohm antennas you can match them by Diamond SRH77CA 2M/440 HT Antenna SMA. X50A DualBand Base / Repeater Antenna - An excellent choice where ruggedness is required in a medium-gain, dual-band application. Lokal. Ham Universe. The antenna will tune up on 70cm for excellent dual band performance. I got lucky, because I was using 147. Independent element type ensures good gain and performance in comparison with mono band beams. gama matching loop, tunable. At lower frequencies, where the elements are quite large, one can see that this antenna has the huge advantage in price, weight and wind resistance. The 2 x 1/2 wl sections of RG11 (x. Free P&P. An easy to build 2 meter/70cm yagi antenna for working amateur radio FM satellites. Find great deals on eBay for 70cm antenna and 70cm antenna yagi. 2 Meter 5/4 Wave antenna in PVC case Mike Martell N1HFX. right, circ. 6 1/4" for the 70cm side 18 5/8" for the 2m side An even simpler, less expensive build is coming soon as well as an antenna building class for the local HAMS to build their own, permanent mount The Antenna is planned built using 6mm aluminium rods. Order #0491 List Price: $24. (no line of site but about 20kms suburban downrange ) This all metal 2M yagi will supplement the 70cm aerial and also serves as a test project for all metal yagi design. Follow us on Facebook KENWOOD TS2000 This HF Rig does it all! $1499 Until 12/31/18: YAESU FT991A System Fusion w/HF $1209 Until 01/31/19: ICOM IC718 Low Price HF $599. is a master stocking distributor of ANTENNAS for Cellular M2M, UHF RFID, Public Safety/LMR & iDAS. This results in the antenna operating with four half-waves in phase on 70cm and provides a theoretical antenna gain of 6dBd on 70. Beide Antennen können auf einem lediglich 80 cm langen Boom untergebracht werden und sind unkritisch im Aufbau. The BUXCOMM model 166260 Windom antenna is a horizontal wire, multi-band antenna intended for use without an antenna tuner on 160, 80, 40, 30, 24, 20, 17, 15, 10, 6, abd 2 meters. 3dB(430MHz),11. While originally dedicated just to the rtl-sdr project, relevant legal content related to general SDR, RF and similar projects is also welcomed. Mobile antenna, Dual-band Omnidirectional VHF band Low-gain, UHF band High-gain Protection from static The N9TAX Slim Jim antenna is the highest quality roll up antenna available today. Very difficult. 14. ) und für das jeweiliges Funkgerät …Hallo Uwe! schöne Antenne. Operates without radials. The basic geometry of the antenna is shown in the following figure: The above dimensions for the J-pole are in inches, and aren’t typical for a 440 mHz. Labels: VA3AGV Amateur Radio aficionado, VA3AGV Amateur Radio enthusiast, VA3AGV ANDRE, VA3AGV Diamond X50 2meter 70cm Dual Band Antenna, VE3SP ANDRE, VE3WZW ANDRE Newer Post Older Post Home We should all work on being more friendly, generous and considerate – the more people smile, the more the world will smile. X30A, 2m / 70cm, 2m: 1 1/2lHigh gain, low noise 70cm antennas. Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. Diamond Antenna A430S10 SKU: ZDM-A430S10. Super hohe von blicke. I have a Diamond SG7900 2/70 dual band mobile antenna that is 60 inches tall, but folds over to only 6 1/2 inches for driving through garages. Mobile antenna, Dual-band Omnidirectional VHF band Low-gain, UHF band High-gain Protection from static . Details about HH-9000 10/6/2m/70cm Gain Quad-band Antenna for Car Mobile Radio TYT PL-259 HYSG. Build a portable or permanent dual band J pole type antenna. A magnetic mount antenna for a car placed on a window air conditioner works well. It can produce similar results to a commercial version and be made from scraps of coax. The ITU amateur radio allocation is from 430 to 440 MHz; however, some countries, such as the United States, allocate hams 420 to 450 MHz. The UHF J-Pole antenna is designed and tuned specifically for the 70cm amateur radio band. 19cm / Weight:0. Doppelband-Richtantenne für 2m und 70cm. 4 dbi on 432! Half-Wave Flower Pot Antenna. 5, and 9 elements Dual Band Yagi. You can easily hang it at a branch or so and also inside a fibre-glass fishing rod (not carbon!) works fine. Use the 28-Ohm-Yagis, not the 12,5-Ohm-Yagis! A 2 Meter and 70 CM Portable Tape Measure Beam Work the OSCAR ham satellites or go transmitter hunting with this inexpensive portable dual band handheld tape measure Yagi. Jetstream, JT776sma HT Antenna. Feb 20, 2014 Easy to build ham radio dual band 2 meter and 70 centimeter ground plane antenna. This is much High quality, high gain + receive up to 900 MHz HT antenna. We have over 32 years of experience designing and building antennas and systems to satisfy the ever expanding communications needs. 1 dBD, includes BNC connector. 4 2m im happy with it. This antenna is as good as a "slim Jim" or "J" antenna and has the advantage that it works both at 2m and 70cm. Moreover the input impedence of the antenna at the design frequency was to be close to 50 ohms to permit one to directly attach a 50 ohm coaxial cable to the antenna. Amateurfunk IC E 208 2 m /70 cm Mobilfunkgerät incl. Build A 9 dB, 70cm, Collinear Antenna From Coax Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. Other Details All Jetstream products are have a 1 year warranty. The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. Best 2m/70cm HT antenna (self. 03. Wideband Discone. I used a 6-ft RG8X cable indoors as well as an adapter and a short length of RG-316 to reach the HT conveniently. Quick View. Many request for a Tri band base antenna Not harmonically related to 2 mt or 70cm. On-board sequencer for control of antenna relays, amplifier bias and power supply feeds, and driver RF hold-off Basic 70cm KW amplifier kit for the NXP BLF184XR A Quagi antenna is a variation on the venerable Uda-Yagi, which dates back 1926. I as many in Florida live with an HOA governing exterior additions. click refine search for homebrew antennas A Pedestrian-Portable 2m/70cm Walking . This antenna is made from two elements but the gain is about the same as the 3-element Yagi. Manufacturer Tram Product Description 2M/70cm 5/8 Wave Antenna Frequency (MHz) 144-148 & 440-450 Product Narrative Base loaded Dual Band High gain antenna Usable Bandwidth 4/10 MHz Gain (dB) 3/6 Using some scrap from the 70cm elements, clean and solder a length of scrap element to the end of two 36 inch rods so they are longer than the lengths specified in Figure 8: 2m Spacing and Length. I'm looking a the Comet SBB-2NMO but it get's rather poor reviews. this antenna can be tune just open and make 1/3 of a cut to each rod to the resonate freq it works fine 1. A Small 70-cm Yagi This six-element Yagi was designed rain causes antenna elements to reso-nate lower in frequency. I would like to buy have a 2M/70CM antenna that I can setup and take down. Febr. The loop can be opened at one corner, which allows for fast and very small packing. To construct the antenna, first select a suitable length of grey 25mm conduit (as a minimum 1m but if you make it longer, you will have more room below the coil to attach to your antenna support). Increase the performance on your handheld or wideband scanner with a Diamond® SRH Series antenna. Hamtech. J-pole antenna. 4 REFERENCE ANTENNA, Gain = 2. Diese Aufstockleitungen lassen sich natürlich für jede andere 70-cm- Antenne mit 50 Ohm Impedanz verwenden! Aufbau als 2-er-Gruppe Diese Anordnung ist optimal, um …Dual Band Antenna for 2m and 70cm. Tomorrow's forecast is for a chance of snow down to 800 m ASL. DualBand 2M/440MHz mobile antenna Very short yet efficient antenna, mainly used in metropolitan areas where extended range is not critical. I too would pay the same price Amateur Base Antennas : Arrow: CR 146/440 Corner Reflector 2m/70cm: GP 52 Vertical 6m: GP 146 Vertical 2m: GP 146/440 Vertical 2m/70cm: OSJ 146/440 Vertical 2m/70cm: Chameleon: V 2L Vertical 80m-70cm this dual band antenna is constructed from. 70cm antennaBrowse our large selection of 440/70cm antennas for base station and mobile use. Dez. VHF/UHF Beam Antennas. A Halo 4 Stack for 70cm on the Cheap After having played in the weak signal portions of 6 and 2m I wanted to do some weak signal experiments on 70cm. 2m/70cm DUAL BAND MOBILE 25 Watts $89. Gain vs Spacing. Solder a PL-259 on the bottom of the Ladder Line (both side of the ladder line will solder on the ground side of the PL-259 - this is used for the shorted part of the J-Pole). The "quagi" antenna was designed by Wayne Overbeck, N6NB, amd is a high-gain antenna combining the high-impedance (and easy matching) characteristics of the quad antenna array and the high gain and ease-of-construction of the classic Yagi-Uda parasitic "beam" array. $160 Circular polarized 10 dBdc end mounted antenna. 493 blicke, 164. Buy it now. the ‘PORTABLE’ or ‘Base’ 2m/70cm you will find this portable ”J” will far exceed any other antenna, in the same setup, more than tripling your 2m & Compact and lightweight dualband yagi antenna for 2m and 70cm, with one common connector. Covering 144 Mhz – 146 Mhz and 430 Mhz to 440 Mhz. Addition of MX62M duplexer couples HF/VHF outputs to single coaxial connection. Since my article on Simple Wideband Yagi’s appeared in September AR I have had a number of people contact me advising that it would be better to use the grey electrical conduit rather than the orange version I did. This well-designed black anodized antenna can handle less-than-perfect weather and highway speeds. Pre Tuned No Ground Plane Heavy Duty Fiberglass N Female Connector 150 Watts Mounting Bracket and Hardware included 410-490 MHz 4. 25m. 2M and 70cm bands are pre-set at the factory and there are no adjustments. Online-Shop / Antennen und Zubehör / Mobilantennen / Amateurfunk Mobilantennen / Amateurfunk Mobilantennen 2m/70cm Duoband 1992-2018 © Maas Elektronik. 99. By See more like this Cushcraft A719B 19 Element 70cm Yagi Antenna, 430 - 450 MHz, 15. pdf) by W1TRC HERE . 5cm (6. Accurate LC Meter Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors. Einfach. This is a simple and quick design for a collinear antenna. doc (kh6htv, 8/13/17) p. power rating:10W FM / Impedance:50ohmsBuy Hustler MX-270 Magmount Antenna, 2m/70cm, coax, PL259: Antennas - Amazon. Diamond HV7A is a mobile antenna system with 5 band capability: 70cm, 2m, 6m, and 2 HF bands. Make sure this fits by entering your model number. MAX6 antenna analyzer is not just an ordinary meter for antenna – it’s much more! Built-in radio signal meter allows you to work as a wobbuloscope, which significantly increases the range of applications of this instrument. Concealed J-Pole David Stansbury KB3KAI. The antenna works just fine for me since 2M is my preference, but if optimum performance on 70cm is necessary, a separate ¼ wave dipole for 70 cm would yield lower SWR across the whole band. 3 views per day, 3 days on eBay. Consists of a 3-element yagi for 2m and a 5-element yagi for 70cm. Das Anytone AT-D878UV verfügt über einen echten VFO und man kann verschiedene ID einstellen. Antenna wind Arrow II Yagi Antennas: 440-3, Three Element Portable Hand Held Yagi - for 70 cm Antenna - 3 Elements for 2 Meters crossed with 7 Elements for 70 cm. A Parasitic Lindenblad Antenna for 70cm 5 AMSAT PROCEEDINGS 2006 Figure 2. Save 70 cm yagi antenna to get e-mail alerts and updates on your eBay Feed. 5 dBi bei 145 MHz und 6,7 dBi bei 432 MHz. 7dB(1200MHz) Max. A really ‘Hen’ double band 2m­70cm wire hentenna. Depending on the 2 meter and 70cm frequencies you choose for tuning your antenna, you might have to compromise a little. The HB9CV antenna is the most popular directional antenna in the The N9TAX Slim Jim antenna is the highest quality roll up antenna available today. Premium quality anttennas for two bands. Arrow Antenna is now offering FREE SHIPPING on orders over $100 and $5 Flat Rate Shipping for orders up to $100 to the lower 48, Flat Rate Shipping of $15 for all orders to Alaska and Hawaii and $30 for US Territories and APO. 04. Please note that this is an experimental omni-directional antenna for 70cm which has both horizontal and vertical gain, which is now in use with the Southampton University Wireless Society WEB SDR Measured Relative Performance of the Dual-Band Antenna at 445 MHz VHF ¼ Wave Mobile VHF Flex Antenna Standard VHF J-Pole DBJ-1 J-Pole Reference (“Rubber Duck”) Small Gauge Wire Makes an "Invisible Antenna" The Wireman sells #26 AWG "Invisible Toughcoat Silky" antenna wire which is a stranded & coated copperweld type, his catalog #534. 9kg Gain:4. 6m/2m/70cm Yagi Antenna Built from Old TV Antenna by KGØZZ This turned out to be a great little antenna. Although not designed as a 440 70cm antenna, it works pretty good anyway. The long element is made in two pieces, each piece is then chucked into a lathe, A hole drilled in the center of each piece, the end turned so it is flat and square. This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands. DIAMOND SG7900A 144 / 440 MHz Dualband Vertical Mobile Antenna - 62 Inches tall - UHF Connector MFJ-1522 2M/70cm Base Antenna, 4. Right now it seems that there is a lot of hype surrounding the Nagoya brand antennas and Nagoya offers a tri-bander, the NA-320A. power Dual-Band VHF/UHF Antenna for permanent or portable use. Mobile antenna, Dual-band Omnidirectional VHF band Low-gain, UHF band High-gain Protection from static Kap. Introduction: A collinear (or co-linear) antenna array is an array of dipole antennas mounted in such a manner that every element of each antenna is in an extension, with respect to its long axis, of its counterparts in the other antennas in the array. With the addition of some tinfoil and sticktape, it can double as a 70cm colinear. 9 inches) long, almost nothing! Browse band 2m 70cm antenna in stock online. Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. RDA698/2700SSM: 3G/4G/LTE DiPole Antenna for Sierra Wireless AirLink & Cradlepoint IBR Series G44WW-17SSSRR : Black 5-in-1 Vehicular Antenna for Cradlepoint IBR900 IBR1100 & Sierra Wireless GX450 G44WW-17SSSRR-WHT : White 5-in-1 Roof Mount Antenna for Transit Bus, Utility Vehicles, Police Vehicles. Enter the desired frequency and select the desired calculation from the drop box. On the lower gain (6 element) antenna, it looks like the loss reduces the gain by more than 1 dB for the lower frequency, and about 0. Use it for M2 Antenna Systems, Inc. Ground-plane Antennas for 144, 222 and 440MHz For the FM operator living in the primary coverage area of a repeate r, the ease of construction and low cost of a 1 / 4 -λ ground-plane antenna make it an ideal choice. 0 70cm 1. Part 9: Testing the antenna outdoors. This antenna can handle 1KW PEP and is built, here in the United States, from rugged components and solid aluminum. Antenna wind survival speed 150 km/h. The original antenna was a Diamond V2000 (2m, 70cm and 6m colinear) and I found this worked just as well. The 2nd 432 element is a parasitic driven element. 8 - 30 MHz -- plus you get a lighted Cross-Needle meter with on/off switch, antenna switch and a 4:1 balun! (The light uses 12 VDC or 110 VAC with MFJ-1312D) The first antenna is a 7-element beam with a wooden support structure, while the more polished 10-element beam uses aluminum to support the antenna elements. I really love its simplicity (construction) and characteristics, especially on VHF and UHF. A subreddit for the low-cost, DIY software defined radio (SDR) community. Firestik antennas, mounting accessories and coaxial cables for CB and Amateur Radio communications and technical support information The antenna performance should match or surpass the Arrow antenna. $14. The antenna gain is about 9dbi+ with front to ba Click the button below to add the MFJ-1438 Mobile Quad Band 10M/6M/2M/70Cm Antenna to your wish list. I need to put a 2m/70cm antenna on the wife's car. Mobile antenna, Dual-band Omnidirectional VHF band Low-gain, UHF band High-gain Protection from static A computer optimized UHF 70 cm Yagi antenna for radioamateurs, transmitting and receiving on 420 Mc - 430 Mc - 440 Mhz to 450 Mc with this beam in high Dish Performance Measurements taken at the AMSAT-UK Space 2001 Colloquium. dxHome dxGallery Peter Walker 2011 Spring Giveaway Contest Entry - Cactus Super J-Pole 2 Meter - 70cm Antenna You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! 7CP-70cm circular polarized antenna. It might be worth repeating the model for the 427, because it is a suspiciously big change. Amazingly strong for it's size, very abrasion resistant and you have to go looking for it if you're more than twenty feet away from the stuff. A lot of antenna in a small package!Whenever you stack antennas the impedance will change (two 50 ohms antennas will give 25 ohms). This is based on the fact that the orange version is intended for inside or underground use where there is Simple Wideband Yagi’s for 2m and 70cm – Errata and extra pictures. 2 dB Gain, Dipole Antennas Choose a Dipole Antenna from MFJ, and get eff ective yet reliable coverage in an antenna The antenna is dual banded to operate on 70cm using the same sleeve technique as used on the dual-band basic Flower Pot. 5 MHz Aircraft Search & Rescue. - Für 3 € Aufpreis liefere ich einen Antennenadapter für Minibuchsen (SMA) mit. 6 inches) long antenna! 🙂 In a quad this means that every side is 17. The 70cm downlink is usually the more critical in terms of antenna requirements because the satellite’s transmitter is relatively low-powered and because path loss increases with frequency. This antenna is an attempt to open the squelch at VK3ASE. Collinear antenna building, by Karl Shoemaker, AK2O . 13 dB for the higher frequency. 5/1 at the lowest edge and around 1. I built the 2m antenna first and added the 70cm antenna later. This is a list of designs for any type of 70cm 432MHz homebrew amateur antenna To refine your search to show only vertical, loop, wire, portable, multiband etc. The Moxon antenna (invented by Les Moxon (SK 2004), G6XN) is sort of a two element yagi with the elements folded and spaced to eliminate the need for an impedance match. There are many simple choices that don't involve trying to put a large antenna on a roof. This Yagi build exhibits a gain of 7