=====More information on my website at http://www.fuzzthepiguy.tech=====Here are the measurem...The Diamond X-50N 2m/70cm fixed station vertical antenna is a durable and reliable option for amateur radio enthusiasts. With a length of 1.7m, a radial length of approximately 19cm, and a weight of just 0.9kg, this antenna is lightweight and easy to install. It boasts a gain of 4.5dB on the 2m band (144MHz) and 7.2dB on the 70cm band (430MHz), making it an efficient choice for transmitting ...Here a link to another video of the antenna that shows the measurements. https://youtu.be/MYWTxbUW3RsHomemade full wave antennas for ham radio on 2 meter and...Inkl. Test! Hocheffektive flower pot Duobandantenne fürs 2m und 70cm Amateurfunkband, auch für FREENETFUNK UND PMR nutzbar. Einfach zu bauen und wetterfest. ...I had the opportunity to find some old Camping stools from SAVERS, a local thrift store, so I destroyed them and made a Moxon antenna!I have heard the storie...Build it yourself a Dipole for 2M/70CM - Got time on your hands because of the Covid19 lockdown well time to build.. You can build this anytime Ham Radio 14...Make your own 2m band dipole antenna that's easy to make and doesn't cost much. It works so well that you don't need anything else!I am updating my blog week...J-Pole antennas for the 2m and 70 cm (VHF/UHF) Amateur Radio bands come in many sizes, ranging from commercial models based on public service designs to homebrewed configurations using coaxial cable, 450 ohm ladder line, or even TV twin lead. Supporting structures can be anything from PVC pipe to wood, including temporary lashups affixed to ...The Diamond Antenna X50A / X50NA is a dual band 2m/70cm high performance gain vertical base antenna for base/mobile two way radios. Diamond Antenna X50A and X50NA mobile antennas for dual band UHF/VHF transceivers; Bands: 2m (144-148MHz), 70cm (440-450MHz) Gain (dB): 4.5/7.2; Watts: 200W; Available with either UHF female (SO-239) or Type N ...NOTE: Comparative testing of this antenna against one without the "choke" showed that the choke is NOT needed.Homemade vertical dipole for HAM 2 meter and 7...Hi there, G1ZMA kindly decided to build me another antenna for 2m and 70cm and here it is. Amazing what you can achieve with a metre and a bit of old RG58 an...160 Meter $39 Inverted L Antenna with home made co... Ham Radio lowest cost high performance HF antenna. Ham Radio Survival Kit; Near Vertical Incident Skywave Propagation NVIS An... 2 meter antenna tuner project; DIY 2M Ground Plane Antenna; Survival Radio Antennas 1: The coax only antenna; Ham Radio-The Light Bulb Antenna; Effective Indoor ...=====More information on my website at http://www.fuzzthepiguy.tech=====Here are the measurem...Dualband Antenna’s. 2×4 2m/70cm Compact Satt Comm Antenna; 2×3 2m/70cm Cross Yagi – compact build; Build 3 x 5 2m/70cm Cross Yagi 145-435Mhz; Build the 3 x 5 Elements 2m/70cm Yagi; VHF antenna’s. 2 Elements Yagi 144Mhz; 7 Elements Yagi for 146Mhz band build; 2 Elements Yagi build for 107Mhz FM Band; Build the 5 Elements …build for operating on the 2-meter band. It's ideal for amateurs who can't install antennas outdoors, because this antenna is designed to stick onto any convenient window in your house or apartment. At the core of the antenna are two strips of adhesive copper foil tape. Copper tape is very inexpensive, and comes in rolls just like any other ...Northeast PA. Apr 30, 2020. #8. As with the Diamond SG7500 the OP is considering, the NR770HB is also a mobile antenna, and will not do well without a ground plane. The suggested Dr Fong DBJ-1 is about 1.6 meters long, but has similar gain to the Nagoya antenna the OP is using now and WITHOUT needing a ground plane.%PDF-1.7 %âãÏÓ 25 0 obj > endobj 65 0 obj >/Filter/FlateDecode/ID[57FC9B692A5B484BA9417F19561F3DC6>]/Index[25 85]/Info 24 0 R/Length 162/Prev 1892482/Root 26 0 R ...Dual Band 2m/70 cm Vertical Ground Plane Antenna. The operational frequencies for this antenna are within the VHF/UHF amateur radio bands; 2-meter band including frequencies from 144 MHz to 148 MHz, and the 70-centimeter band including frequencies from 430 to 440MHz. Because of the dual band capability, this antenna could become your primary ...This is post 2241 in a continuing series of simple ham radio antennas. Thanks to Paul Foulkie for this great antenna idea. This portable 2m/70cm antenna is suitable for both portable and home operation. You should be able to find most of the materials at the nearest building supply center or neighborhood hardware store.Set the antenna aside for now. The tune up procedure, if even needed, will be addressed later. Make a 4″ X 4″ X 1/8″ plate of aluminum for your boom to mast plate. Mount four appropriate size "U" bolts and saddles on the four edges of the plate. Mount the boom to mast plate at the center of the boom.Inkl. Test! Hocheffektive flower pot Duobandantenne fürs 2m und 70cm Amateurfunkband, auch für FREENETFUNK UND PMR nutzbar. Einfach zu bauen und wetterfest. ...W7LPN 2m/440 vertical dipole. The project below is my own design for a dualband vertical dipole for 2 meters and 440. It requires a balun and works very well. I like to tinker, so when I finish one project, I go on to another, even if it works well. There are several methods of constructing a vertical dualband dipole and a simple method is ...The 2-m/70-cm combination presents a different challenge because the frequency ratio is about 3:1. Consider two dipoles, cut for 20 and 10 meters. We can easily use both dipoles with a common feedpoint. The reason is fairly simple: when one dipole shows a low impedance, the other shows a high impedance.DIY 2m/70cm Antenna That is Better than What I Have? Right now I have a TWAYRDIO 20m/70cm Yagi that the manufacturer claims to be +9.5 dBi for VHF. I'm not sure how accurate that figure is, it seems a tad optimistic; but I'm happy with the antenna overall. I can hit all of the nearby repeaters near me, except one.Thanks to radio amateur Dave Tadlock (KG0ZZ) for this simple, effective VHF/UHF (2m/70cm) ground plane antenna. Most of the materials can be found at the nearest hardware store or building supply outlet. The antenna is perfect for local traffic and ragchew nets, as well as portable and emergency use.I am trying to make my own arrow antenna (the split boom 2m/70cm combined model) but I hit a snag. The manufacturer provides quite detailed assembly instructions which even seem to contain all dimensions of all the element lengths and spacing. But those dimensions seem to be inaccurate, as they don't match photographs of the antenna found on ...The antenna was placed in a vertical orientation just outside my second-story window on a 6-inch bulkhead connector . 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. It was easy to tune to the center of the 70-cm band using the supplied hex wrench and my antenna analyzer.The 2-m/70-cm combination presents a different challenge because the frequency ratio is about 3:1. Consider two dipoles, cut for 20 and 10 meters. We can easily use both dipoles with a common feedpoint. The reason is fairly simple: when one dipole shows a low impedance, the other shows a high impedance.I'm confident you will find this portable "J" to far exceed any other antenna, in the same setup, to more than tripling your 2m & 70cm (440MHz) performance! Here is a step-by-step to make a portable (or base) 3/4 inch copper-pipe "J" that breaks down into four (~24" long) pieces for easy transporting. This design uses a Bungie-cord to keep all ...Krzyki. Krzyki is a former borough of Wrocław located in the southern part of the city. On March 21, 1991, the newly created City Office of Wrocław assumed many of the functions previously carried out within the borough. Photo: Wikimedia, Public domain. Ukraine is facing shortages in its brave fight to survive.This can make the pit thing hard. Standard 1/4 wave verticle will radiate in a spear like way. If you have an antenna with omni directional gain. What it means is it is flattening the spear. So more of a pizza less ball. The energy that normally goes straight up now goes out in a flatter circle at 360 degrees.Antenna, Yagi Beam, 2 Meter/70 cm Wideband, 10 Element, 6.10 ft. Boom Length, 350 W Power Rating, Each. Part Number: CSH-A27010S 3.8 out of 5 starsHow To Build A DIY 2M Roll-Up Slim Jim Antenna (Including How To Crimp A PL-259 UHF Connector Onto RG8X Coaxial Cable): Step-By-Step Instructions. March 1, 2022 by …While it may appear these antennas won't work, build one and try it; my first antenna (also my first homebrew project) was for 70cm, the first station I heard was a repeater 50-60 miles away.--Joshua Davis, KD5LSX. You will need (dependent on the band you wish to build your antenna for):But keep in mind that 2M and 70cm share a similar relationship as 40M and 15M. A dipole cut for 2M will already have resonance on 70cm near 50 ohms. Making a fan dipole with these two bands may being the 70cm impedance down around 25-30 ohms. As a vertical, the 70cm radiation pattern on a 2M antenna is not ideal. It's high angle.6 Nov 2020 ... Comments9 · How to Build and Tune a Tri-Band Ground Plane Antenna · Building a ground plane antenna · HAM RADIO: 2M/70cm Skylab Build. · ...DIY 2M Ground Plane Antenna. October 18, 2021. DIY 2M Ground Plane Antenna - Ham Radio - TheSmokinApe. Here's a simple, inexpensive way to improve the performance of your 2 meter gear, including your HT. Thanks to "TheSmokinApe" youtube channel for this easy-to-make 2 meter ground plane antenna. This antenna can be used at home or in the field.Krzyki. Krzyki is a former borough of Wrocław located in the southern part of the city. On March 21, 1991, the newly created City Office of Wrocław assumed many of the functions previously carried out within the borough. Photo: Wikimedia, Public domain. Ukraine is facing shortages in its brave fight to survive.I came up with the idea after building several simple outdoor 2m/70cm yagi-style beam antennas (using a 1″x2″ wooden boom for support) and realized it could be adapted for indoor use. ... the supplied rubber-duckie antenna, (2) a top-rated 15" whip antenna (Nagoya NA-771 15.6" dual band) , and (3) this homemade antenna, the results were ...the 2-meter band. Shortening the stub to move the maximum VSWR point higher in frequency is easy. Should you over- shoot, it is simple to start over again with a new piece of wire. Once you are satisfied with the results, the P L-259 can be cemented to the insulator. That's all there is to it. See you on 2 fm! Notes "5/8-Wavelength Vertical ...The antenna was placed in a vertical orientation just outside my second-story window on a 6-inch bulkhead connector . 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. It was easy to tune to the center of the 70-cm band using the supplied hex wrench and my antenna analyzer.Thanks to M6STL for this ultra-simple 2m/70cm antenna made from a length of RG-8 coaxial cable. This project is perfect for both home and field use. Put one of these antennas in your "go-kit" for emergencies. ... In this video, members of the Stamford Amateur Radio Association W1EE, show us how to build a ZS6BKW antenna capable of covering the ...7. rjm27trekkie. • 4 yr. ago. You may notice that you have a 78:1 ratio for wavelength to tape thickness on 2M and only a 28:1 ratio for 70 cm using these inch thick tape measures. I have had much better results (without having to make corrections) using a 1/2 inch tape measure for the 440 side.Build your own portable DIY discone antenna. This design is a modified version of "SurvialComms" on Youtube. ... 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri-Band Fan Vertical for 40-80-160m;if government pays its current commitments, a married millennial couple stand to receive roughly twice as much as their parents got. By clicking "TRY IT", I agree to receive newsle...1. Here is what I have. • A Baofeng Uv-82 transceiver. • A 1/2 inch 10 foot PVC pipe. • 3 1/4 inch x 36 inch Aluminum rods. • 2 1/4 inch x 48 inch Steel rods (I know they'll rust, it's just temporary to get it to work, I'll get aluminum later) I don't have any coaxial cable (don't know the best type to get) and don't know how to match ...Krzyki. Krzyki is a former borough of Wrocław located in the southern part of the city. On March 21, 1991, the newly created City Office of Wrocław assumed many of the functions previously carried out within the borough. Photo: Wikimedia, Public domain. Ukraine is facing shortages in its brave fight to survive.Members of LEARC gathered to build a variation of a Moxon 2m/70cm antenna, which will later be used to track and communicate with others over satellites. Herbie, GI6JPO, had prepared the build materials in advance to speed up the assembly of the antennas. Lengths of PVC conduit were cut to length, with the holes for the elements pre-marked.2m/70cm dual band antenna build. This Antenna is based on VK2ZIO's Flower Pot Antenna. Main Parts. - Antenna is a vertical collinear design. Made up from two half wave sections separated by a coaxial phasing coil. The bottom half of the bottom section radiates from the coaxial cable braid so a choke balun is required to stop currents flowing ...Dualband Antenna’s. 2×4 2m/70cm Compact Satt Comm Antenna; 2×3 2m/70cm Cross Yagi – compact build; Build 3 x 5 2m/70cm Cross Yagi 145-435Mhz; Build the 3 x 5 Elements 2m/70cm Yagi; VHF antenna’s. 2 Elements Yagi 144Mhz; 7 Elements Yagi for 146Mhz band build; 2 Elements Yagi build for 107Mhz FM Band; …Set the antenna aside for now. The tune up procedure, if even needed, will be addressed later. Make a 4″ X 4″ X 1/8″ plate of aluminum for your boom to mast plate. Mount four appropriate size "U" bolts and saddles on the four edges of the plate. Mount the boom to mast plate at the center of the boom.So baut ihr Euch zB. mit Schweißdraht und einem PL-Stecker eine hocheffektive Viertelwelle in 10 Minuten. Die Antenne ist sehr simpel und zugleich sehr verlu...An Improved Version. (See older version here) 3 element = 7 dBd Gain. 5 element = 9.4 dBd Gain. 10 element = 13 dBd gain. These Collinear antennas are " 4 " Megs wide and "must be supported" at the top by a yard arm or tree limb. Building instructions for the NEW WB3AYW Collinear Antenna. This is for Two Meters only 02/11/2014.Not so long ago I built my version of The Home-Brew SKYLAB Starduster for 26 - 30MHz, Super simple to build with just 10 metres of wire and a length of coax....11 Mar 2017 ... Part 3 of the dual band vertical dipole build including SWR graphing of the finished antenna. The lengths, measured from the outside of the ...Connect the coax cable to the 2 parts of the driven element near where they enter the wooden beam. Wrap the cable's inner wire around the short leg of the J, and the twisted outer wires around the long leg. Solder the wires in place. Secure the coax cable. Secure the coax cable with a couple of zip ties. Your antenna is done!This time I found an old fence wire, a piece of wood, and decided to make a yagi antenna. I already made an antenna like this a few years ago. Very simple. T...Cushcraft 2M/70cm Wideband Yagi Beam Antennas. Antenna, Yagi Beam, 2 Meter/70 cm Wideband, 10 Element, 6.10 ft. Boom Length, 350 W Power Rating, Each See More Specifications. Cushcraft 2M/70cm Wideband Yagi Beam Antennas A27010S CSH-A27010S. 3.75 out of 5 stars. Part Number: CSH-A27010S. Estimated Ship Date: Today.This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands. Category : Antennas/Lindenblad.Feb 23, 2017 · NOTE: Comparative testing of this antenna against one without the "choke" showed that the choke is NOT needed.Homemade vertical dipole for HAM 2 meter and 7...Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Review Summary For : Larsen glass-mount dual band antenna. Reviews: 31. MSRP: 80 approx. Description: Larsen's version of the thru-glass VHF-UHF mobile antenna. Product is in production.The original Ed Fong Dual Band VHF/UHF 70cm/2m J-Pole PVC Pipe Antenna : Eye-On-StuffPlease consider donating to my channel so I can make more videos for you...Watch how Pablo Sala, a radio amateur from Argentina, demonstrates the use of a fox hunt coax loop antenna for direction finding. Learn how this simple and portable device can help you locate ...Make one for your "go-kit" or even for the next ARRL Field Day. KB3TQO does a good job of designing and making this simple, effective antenna for the 2 meter and 70 centimeter bands. "Homebrewed an adjustable dipole for use on the 2 meter and 70 cm bands that can easily break down to stow in any small pocket. Cheap and easy."Mike calls this antenna the "perfect stealth antenna" for 2m/70cm. Mike does an excellent job of taking us through the design, construction, and testing process for this remarkably simple antenna. ... In this video, members of the Stamford Amateur Radio Association W1EE, show us how to build a ZS6BKW antenna capable of covering the …Build a 2m VHF Sleeve Dipole; Original patent design for Folded Dipole antenna; Edison Fong (DBJ-1) J Pole; Edison Fong (DBJ-2) J Pole Roll Up; Edison Fong – Tri-Band Antenna for 2m, 1.25m and 70cm; Build a 2-Meter Vertical Dipole Array; Service Manuals. Alinco DJ180 Service Manual; Icom IC-2GA/GAT/GE; Icom 02A, 02AT, 02E Service …Put a SWR meter at the antenna between the small pig tail coming off the antenna and the feed line. Go to 144.300 MHz and check for SWR, then go to 147.300 MHz and check for SWR. If you have a 1:1.1 SWR at 144.300 MHz and a 1:1.6 at 147.300 MHz then your antenna is long, so move the shorting bar toward the coax connection to shorten the …The basic "J" is reported to have >3dB of gain over a ¼ λ ground plane antenna and 6dB over an isotropic (theoretical) antenna. The "J" can be made from almost any material: copper pipe, steel whips, TV twin-lead, ladder-line or metal rods. Technically, the "J" antenna is an end-fed ½ λ antenna that uses a ¼ λ matching stub. Old-timersSep 8, 2021 · In this video I've kept the time down to under 5 mins and easy to follow along. In the video I show you my way of building a very inexpensive and easy to bui...Age : 71. Subject: Homebrew 2m/70cm Dipole Antenna Sun Mar 19, 2023 9:35 pm. Following on from my PMR446 Antenna I decided to try my hand at constructing a 2m/70cm Vertical Dipole Antenna. 3mm stainless steel rod was used for the antenna arms and various other bits and pieces I had laying around in my shed were used to complete …309,00 €. Add to basket. SKU: 1370. Reviews (0) 2m-70cm The Best Dual Band Antenna 2m70DX37-2Conn with two separate connectors. Two separate antennas on the same boom. Behaves as two extreme gain monoband antennas. 1500W on 2 meters and 850W on 70cm. 12 elements on 144 MHz and 25 elements on 432 MHz. 2 meter and 70 cm Longest Dual Band Yagi ...While it may appear these antennas won't work, build one and try it; my first antenna (also my first homebrew project) was for 70cm, the first station I heard was a repeater 50-60 miles away.--Joshua Davis, KD5LSX. You will need (dependent on the band you wish to build your antenna for):Yagi UHF Antenna for the 70 Cm Band (430-440 MHz) by F4HWK: In this tutorial i show you how to build a Yagi antenna for the 70 cm band (430-440 MHz). This antenna can …Jeśli uważasz, że warto mnie wesprzeć - możesz postawić mi wirtualna kawę 😀 - https://buycoffee.to/sierraecho lub zostać moim patronem - https://patronite.p...Easy 2 meter SSB Loop Antenna. Here is a great design and build instructions for a nice 2 meter SSB loop antenna. 2 Meter Halo Antenna by Mike Fedler N6TWW has the detailed instructions on his site. Here are some initial notes from the link... There are two previous versions of my loop antenna that were built before the antenna you see now.More and more people are cutting the cord and giving up cable, but that doesn't mean you have to give up TV. In addition to streaming video, over-the-air HD broadcasts are availabl...Larsen NMO2/70B Dual Band Coil and Factory Tuned Black Whip for 2m/70cm Amateur Radio Frequencies, BLACK with NMO VHF/UHF antenna, Connector: NMO, Height: 34.5 inches VHF: Center Loaded 1/2 λ (144-148 MHz) UHF: Collinear (440-450 MHz) Gain (2m/70cm): 2.4 / 4.0 dBi Max Power: 100W, Color: Black This antenna is compatiblDIY 2m/70cm Antenna That is Better than What I Have? Right now I have a TWAYRDIO 20m/70cm Yagi that the manufacturer claims to be +9.5 dBi for VHF. I'm not sure how accurate that figure is, it seems a tad optimistic; but I'm happy with the antenna overall. I can hit all of the nearby repeaters near me, except one.Here i present the measured SWR of the antenna. As you can see, the impedance of the antenna is very well matched to a 50 ohm system. Between 144 MHz and 146 MHz, antenna has an SWR less than 1.2 . For an SWR of 2, the antenna has a bandwidth from 138 MHz to 151 MHz which is a pretty good result. F4HWKJ-Pole antennas for the 2m and 70 cm (VHF/UHF) Amateur Radio bands come in many sizes, ranging from commercial models based on public service designs to homebrewed configurations using coaxial cable, 450 ohm ladder line, or even TV twin lead. Supporting structures can be anything from PVC pipe to wood, including temporary …May 19, 2020 · Six Meter Folded Dipole Antenna; 2 meter/70 cm telescopic dipole, homebrewed; Simple to make 2m/70cm antenna project for portabl... Homemade Full Wave Dual Band Antenna for 2 meter a... MFJ Duplexer-two radios one antenna or vice versa; Idiot's Guide to Wire Antennas; My low cost 10 meter DIY; Ground Radials for Vertical Antennas. 16 Jun 2021 ... 70cm/2m antenna build, method=====More information on my website at http://www.fu The diamond x-7000 2m/70cm/23cm fixed station vertical is a fibreglass construction antenna that is pre-tuned and fully weatherproofed. It comes with mast mounting brackets included. This model operates on frequency bands of 2m/70cm/23cm with gain values of 8.3/11.7/13.7dB respectively. The power output for this antenna is 100/100/60W for the respective frequency bands. The antenna type is 3x5 ...by N6JSX 08/2013. This is my revised "BASE" 2m/70cm Copper-Pipe "J", a "how-to DIY" with an optional method to make a " PORTABLE" dual-band "J" for hotel travelers, … No physical connection between the 2m and 70cm elements. Th #baofeng #pmr #radioprepersWitam!W filmie prezentuję spontaniczne wykonanie super prostej anteny na pasma które. Możemy znaleźć w najbardziej popularnych rad... This is also a nice ham project, een small antenna f...
Continue Reading