VHF/UHF VSWR Meter & appropriate ≥5 watt transceiver(s) or MFJ-269 2. discarded TV antenna to use radials/tubes for spreader supports 3. wooden dowel 5/16" for spreaders 4. AWG 14-18, solid copper wire 5. wood 1 1/2 X 1 1/2 in. boom or re-enforced 1" PVC with "T"' and end caps 6. non-metallic or re-enforced PVC for the mast 7.2 meter / 70 cm Antenna question. I'm getting back into amateur radio after a few years hiatus and I currently live in a restrictive HOA. I'm looking to build a 1/4 wave antenna for 2 meters and 70 cm (rig is a Kenwood 2000, SO239 for each band, hence J Pole is not an option). I have enough room to mount the antennas in the attic and in ...The Satellite feature allows split channel and (2m&70cm), so I wanted a solution to use the 9700 at the QTH. I didnt want to spend a fortune on antennas, so I hunted out a reasoniibly priced 2m and 70cm antenna. For today will talk about the 70c antenna, the DUAL PA432-8-1.2RA. I got mine from Nevada Radio, other places sell them, but I've ...AMSAT SA have made available a new dual-band 145/435 MHz Yagi antenna for amateur satellite operation. The Yagi has a unique element called an 'Open Sleeve' which is a director very close to the driven element. The driven element is sized for 2 metres. When operating on 70 cm the 'Open Sleeve' acts as part of the driven element on 70 cm ...2M Yagi Antenna: This antenna is my 'experimental' twist on the tape measure yagi antenna. ... *The reflector needs to be 1.05M in length, take a tape measure to the DIY store as there is some tolerance in the actual provided lengths. I got lucky and found one that was 1.06M. If unlucky see my modifications section. Step 2: Design. Element ...Prototyp OSJ-Antenne Duoband 2m/70cm. Prototype OJS-Antenne Befestigung. Entgegen der Behauptung, dass durch den Abstand der Stäbe eine Richtwirkung einträte, kann ich bestätigen, dass dem nicht so ist. Jedoch gibt es aber eine leichte fast unmerkliche Abschwächung im 70cm-Band in die Richtung des langen Abstimmstabes.new ham just starting out. so far i have a cheap uv5. wanting to get a decent station set up for 2m/70cm. figured for starters i would tackle the rubber ducky issue. live in hoa controlled hell and have a very small attic (65 foot length / 36-40 inch height). any commercial-grade antennas anyone can recommend? can solder and don't mind a diy antenna either. i do not have the equipment to ...52-1BP. Dipole for 6m with split boom. With holes and optional elements for 6m, 2m, 1.25m and 70cm. This allows one boom to be carried for all those bands. This antenna was designed for SOTA. 10W. Micro Duplexer for the 146/437-10 Satellite Antenna (10 Watts) (fits inside the handle) 437X14.Challenged myself to build a usable Yagi style antenna for the 2 Meter (2M - 144MHz) amateur radio band. The challenge part is that I wanted to use stuff I ...Most people make these for 2m use, but you can make them for 70cm use if required.If you decide to make a 2m antenna, you’ll end up with 1.5 metres of ladder line as the main …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 2m VHF YagiMike 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 80 to 6 ...The antenna can be mounted by clamping the PL259 to a mast or even passing the coax through a 3/4 ID PVC pipe and compression clamping the PL259. Either way let your creativity work for you. If you plan on mounting it outside, apply RTV or sealant around the center pin and PL259, and tape well, to keep water out of the coax.The antenna can be mounted by clamping the PL259 to a mast or even passing the coax through a 3/4 ID PVC pipe and compression clamping the PL259. Either way let your creativity work for you. If you plan on mounting it outside, apply RTV or sealant around the center pin and PL259, and tape well, to keep water out of the coax.Feb 13, 2023 · Here is the list of parts needed to build a 2 meter vertical antenna: An inexpensive and readily available way to get 14 ga. copper wire is to go to the hardware store and buy some Romex wire. The first thing to do is to strip the copper wire out of the Romex wire sheath, then you will see a bare wire, a black and white wire. then strip off the ...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 2m VHF YagiAccording to Jerry (K5OE), the Eggbeater Antenna "is an omni-directional antenna using circular polarization to maximize signal capture from low Earth orbiting satellites." This antenna "is 2 full-wave length loops fed in quadrature." The video lists all of the materials and tools needed to design, build, and test the antenna.Getting radio frequency can be tricky if you live far from a radio tower. If you're having trouble hearing your favorite stations, consider getting an FM antenna so you can get tho...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...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...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 the build.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...Here's another fascinating and easy-to-build antenna idea from Dave Tadlock (KG0ZZ). In this well-organized tutorial, Dave takes us step-by-step through the theory, design, construction, and use of a 2m/70cm vertical dipole antenna. This antenna is perfect for limited space areas or for portable/emergency use in the field.You can actually make a good 2m/70cm antenna that way by using a 2 m dipole and a close spaced 70 cm 1/2 wave element, or two 70 cm 1/2 wave elements one on each side of the 2 m dipole. The radiation pattern on 70 cm will be similar to 3 1/2 wave collinear array and will have around 3 dBd gain.Challenged myself to build a usable Yagi style antenna for the 2 Meter (2M - 144MHz) amateur radio band. The challenge part is that I wanted to use stuff I had lying around, and I wanted to build it using the fewest possible tools. Definitely no electric powered tools, so that this could be replicated in an emergency, no-power situation.Slim Jim Antenna Project – VU2RMU. 2 Meter Slim Jim Antenna using 300 Ohm Twinlead. Slim Jim 2M Antenna – SV5BYR. L.B. Cebik web site – requires registration (free) Commercial 2M 70cm Slim Jim – N9TAX. 2M Slim Jim antenna using Aluminum Tubing. Some Notes on the Slim Jim Antenna – M0UXB. Slim Jim Build. Handmade Slim Jim …I show you how to quickly build a DK7ZB yagi with 4 elements on 2m and 5 elements on 70cm with minimal tools.Plans are available from https://www.qsl.net/dk7zb/There are exactly two ways to pick up digital channels on your television set: You can use a digital antenna, available at most major electronics retailers, or you can sign up for ...This is post 2516 in a continuing series of simple ham radio antennas. Here are some general comments from Robert: In this video I give an overview of the design and use cases for 2 distinct eggbeater antennas, a DIY eggbeater V2 antenna and a commercially produced eggbeater antenna from M2 Antennas, both designed for 435 MHz and have right ...Oct 31, 2015. #2. 2 meter antenna. If you want a 2 meter buy or make one. Cut five 19 inch coat hangers, get a male pl 259 and make a ground plane.. One in the top and 4 radials in the other holes at 45 degrees.Email list: http://eepurl.com/iGP0CkPlans including the STL files: https://www.patreon.com/HamRadioRookie/shop/fara-j-2m-70cm-antenna-88511Patreon Membership...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...4 Nov 2021 ... The FBK2 / 70 is in its basic form a 2-meter half-wave antenna, and will behave like that, in the middle of the 2m band (145MHz). The half wave ...Figure 3: 2m dipole or J-pole (free-space) vertical radiation . pattern (black) and the same antenna on 70cm (red). Fortunately, there is an easy solution. Install 70cm stubs on the 2m antenna to create a good UHF radiation pattern. Many commercial HF antennas use this technique to achieve good patterns on their multi-band antennas.Figure 1. There are several variations that are 300-ohm twin lead / Coax wire as well as Copper tubing and PCV tubing providing structure to the antenna shape. Dual Band 2m- …5 Element 2M / 70cm Yagi. On this page is the design for Dual Band 2M / 70cm antenna with 3.2mm elements. The antenna has a 50 ohm designed driver. This Yagi has a unique element called a Open Sleeve.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 ...In "The DBJ-1: A VHF-UHF Dual-Band. J-Pole" [Feb 2003, p 40], replace "VHF" with "UHF" in the headings of Table 2, col-umns 1 and 2. Column 3 remains "VHF," as it refers to the use of a 2 meter VHF. J-Pole on its third harmonic. Also, the area immediately to the left of the RG-174 stub should not be shaded.Medical center, clinic Przychodnia Medyczna Medgroup at Lower Silesian Voivodeship, Wrocław, aleja Armii Krajowej, 46f, ☎️ +48 535 03 43 41. Get directions in Yandex Maps.Here's another fascinating and easy-to-build antenna idea from Dave Tadlock (KG0ZZ). In this well-organized tutorial, Dave takes us step-by-step through the theory, design, construction, and use of a 2m/70cm vertical dipole antenna. This antenna is perfect for limited space areas or for portable/emergency use in the field.Challenged myself to build a usable Yagi style antenna for the 2 Meter (2M - 144MHz) amateur radio band. The challenge part is that I wanted to use stuff I ...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....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 ...Feb 22, 2017 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...This is a really easy, fun antenna to build. If you are new to Amateur Radio, or just want an easy to deploy 2 Meter antenna for out in the field, this is a...Re: Homebrew 2m, 70cm mobile antenna. by knight » 11 Feb 2010, 17:17. First the photo is a heldhold mobile radio and the antenna is for a mobile radio. I am trying to build a antenna for the roof of a car which I did say a mobile car antenna for the roof of a car not heldhold. knight.As far as the radiating elements they are. 2M=19.5” 70cm=6 5/8”. This is measured from the lowest point of the U to the tip. Where your coax splits and connects to the elements is where the antenna length will be. Leave about 1” gap so you can move them in and out to tune with swr meter. Awesome, thank you.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...Now its time to add the additional elements to the top and bottom of the collinear array. First add a ¼ wave element to the top of the antenna as shown in Figure 3. Use #16 solid wire or similar and solder it to the center conductor only. The length of the ¼ wave element is calculated as follows: 1/4 wavelength radiator = 300 / F / 4.SWR across the 2 meter band is 1.1 to 1.4 with most of the band covered at 1.2 or below and 1.1 or less from 146.0 up. SWR on 70 cm (420-450 mhz) is 1.7 or less through 433.5, 435.5 through 441.5, and 445 through the top of the band. 435 to 435 tops at 1.9 and 442 to 445.5 tops at 2.2. This is with ZERO tuning done, just tested as built and ...Dual band antenna 2m 70cm applications: The big wheel is a horizontal polarized omni directional antenna. Perfect gain and swr on both bands. 2m shows a 38.5in driven element but with the bent part the wire would be 57.75in long? It's a really great omni antenna for the 2m band. Source: img.17qq.com. Stacking of big wheel antennas to …The antenna is constructed from M4 stainless steel threaded rods, as they are relatively inexpensive and common place at most DIY stores. Additionally, it is an easy material to work with and does not require any special tooling. The boom is constructed it from 10mm2 aluminium box section, again it’s cheap and stocked in most DIY stores.I created a video a few weeks ago showing how to create a 4:1 BALUN using coax. In this video I created a 4:1 BALUN for the Amateur Radio 2-meter band, cent...permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. 2. Direct element joint structure with two interconnected FRP outer-shells. Enables the antenna to maintain the same strength as one with one piece structure. The ring gasket makes the antenna water-proof, and ...A simple ham radio 2 meter and 70 cm antenna for fixed or portable use. For details: http://www.amateurradio.bz/2m-70cm_vertical_dipole_antenna.htmlBaofeng Antenna options! Post 2069. 2m/70cm Ground Plane Antenna. Post 2068. DIY Dual Band VHF UHF antenna from surplus. Post ... The 'L' Dipole Antenna for Ham Radio. Post 2066. ARRL opposes cuts in 3.3-3.5 GHz Amateur Radio All... 7 and 28 MHz HF pedestrian mobile with 6m wire. P... How to build a dipole antenna for Ham Radio. Post...Transceivers offering SSB mode on VHF/UHF bands include the Kenwood TS2000, Yaesu FT-897D, and Icom IC-9100, as well as many others. Equipment The required equipment for getting started on 2M SSB is pretty basic - a transceiver capable of 2M SSB and a 2M antenna. The 2M antenna you already have is probably vertically polarized since that is ...This two band antenna is using the VK2ZOI design - a version of the "Flower Pot" design (http://vk2zoi.com), for 2m + 70cm: It's called the "Experimental Dua...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 Antennas6 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. · ...=====More information on my website at http://www.fuzzthepiguy.tech=====Here are the measurem...A 2m piece of wire would be a longwire for 2m. 2.5m would make it resonant (instead of anti-resonant, even ¼wl multiple, high-Z) so it wouldn't need a transformer. Then you have to tune it for transmit — tuners are uncommon above HF, so the antenna would have to be trimmed. An SWR meter or antenna analyzer would do it.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 02/11/2014.3 Reviews. US$92.13. Quantity. Add to Cart. About Diamond X-200 2m/70cm Dualband Base Antenna. 2m/70cm Dual band Base Antenna. Diamond Original base antenna-Japan double band. Key Features. Fiberglass construction.The SWR on 2m is 1.6 @ 144mhz and 2.2 @ 148 mhz following your measurements. Although I can not get anything out of the 70cm side. There is a repeater I can open with a HT with a rubber ducky antenna standing at the antenna location but it will not open it up through the antenna.. I do not have the equipment to check the SWR @ 70cm though.Thanks to Bill (WX4AR) for this concise, accurate, and simple way to build a "classic" double bazooka antenna. Bill takes you step-by-step through the entire design, building, and testing process. The addition of an antenna "tuner" will help you keep SWR as low as possible. A good, reliable 40 meter antenna made from materials you may already have.7 Jul 2020 ... HAM Radio, Antenna, the Flower Pot Antenna, a Stealth Antenna that you can hide in a plant pot and cover with plastic flowers and leaves, ...Simple Wideband Yagi's for 2m and 70cm - Errata and extra pictures. ... I actually simply used a standard TV antenna U bolt with a couple of holes drilled through the boom at a convenient spot. In particular I found which two elements the balance point was between and then put the clamp in the middle between those two elements. ...The resonant frequency can easily be tuned by cutting the monopole, while the impedance can be tuned by folding the radials. * Monopole antennas need a ground plane, so you shouldn't use them with a u.fl to SMA cable assembly. Dipole antennas can be used with u.fl-SMA cables. * Monopole antennas can be used with edge soldered SMA-connectors.Note: Just to be clear, most of the images show for the 2-meter band. In this case there is seven 1/2 half wave elements, plus 1/4 wave ones on the top and bottom. For other bands (i.e. 1 1/4 meters) there will be a few more 1/2 wave elements in the middle. ... Take apart the old guts of the commercial antenna you got and put the new antenna ...Because the antenna is hand held, power should be kept to less than 10 watts maximum. If mounted and away from people, maximum power is 150 watts. $132.00. 146/437-10 Solid boom without duplexer. Use two radios with this antenna.Diamond X-30 Antenna and Mast. The last piece of the setup was the antenna. We wanted something that was portable, easy to set up and would provide good performance. We choose a Diamond X-30A 2m/70cm ground plane antenna and mounted it on a 12′ fiberglass push up mast. The feed line is made from 25′ of LMR-400UF coax.Attach your homemade antenna to the SWR meter's antenna port. Select a transmitter power setting of no more than 5 W. Choose a simplex frequency of 146.0 MHz and check the antenna's SWR and field strength. Adjust the field-strength meter's location and its antenna for a mid-scale reading. (Now's a good time to commit adjacent radioA 1m length of 19mm x 9mm cross-section wood. 12 aluminium welding rods, approx. 3.2mm diameter and 50cm long. A A 90-degree corner brace. Wood screws and two 6 x 50mm bolts with washers and nuts. Cut a 40cm piece from the 21mm x 21mm cross-section wood. Drill five 3.5mm holes in this piece, 8cm apart (from centre to centre), starting 1cm from ...%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 ...For completeness this is not the only DIY tape measure Yagi on Instructables so also check out [FN64's] 2 m band "Radio Direction Finding Antenna for VHF" and [manuka's] 70 cm band "433 ...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 stars. Estimated Ship Date: Tuesday 5/28/2024. Free Shipping; Documentation...Loading Estimated Ship Date: Tuesday 5/28/2024. Free Shipping;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 ...4 Nov 2021 ... The FBK2 / 70 is in its basic form a 2-meter half-wave antenna, and will behave like that, in the middle of the 2m band (145MHz). The half wave ...The first reference that caught my eye was the $4 Ham Radio Satellite Antenna. I saw this web page a couple months ago, and was thinking about building it, but haven't gotten around to it yet. It looks like a very cool and easy project. One thing I was wondering about is why the 2m and 70 cm elements aren't perpendicular to one another as ...permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. 2. Direct element joint structure with two interconnected FRP outer-shells. Enables the antenna to maintain the same strength as one with one piece structure. The ring gasket makes the antenna water-proof, and ...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 2m VHF YagiAug 27, 2013. #9. N1BMX said: Changing the diameter of the "elements" will effect the performance of the antenna. For example a 1/2" Outside Diameter (OD) tube that is 48in long has an area of about 75.3 inches. Going to 3/4" OD would have an area of about 113 inches. That's about 38in more of area.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...The alternative for me would be no antennas at all. I can hit 2m/70 cm repeaters in a 50+ mile radius, and I've worked 150 grid squares on 6 meters. My setup might not be as powerful as it would be with a tower or roof antennas, but it is more than adequate. A 2m/70 cm vertical in the attic, especially, is good enough for local FM.10000+ "70 cm antenna" printable 3D Models. Every Day new 3D Models from all over the World. ... Tags 2m or 70cm Ground Plane Antenna Bracket , , , , , Download: for sale Website: Cults. add to list ... Tags DIY Parts 2 70 Yagi antenna design , , , Download: free Website: Thingiverse. add to list Tags 2m 70 mobile ...70cm/2m antenna build, method of how I built it and tested it. #hamradio #satellite #FM #moxon #yagi #SO-50 #ham #2meter #70cmCushcraft 2M/70cm Wideband Yagi Beam Antennas A27010S Antenna, Yagi Beam, 2 Meter/70 cm Wideband, 10 Element, 6.10 ft. Boom Length, 350 W Power Rating, Each Part Number: CSH-A27010SChallenged myself to build a usable Yagi style antenna for the 2 Meter (2M - 144MHz) amateur radio band. The challenge part is that I wanted to use stuff I ...This 2 Meter 300 Ohm Slim Jim antenna is constructed from regular 300 ohm twinlead. (The same type used for TV antenna installations.) It is very easy to build and does not take days to construct. The measurements above are not extremly critical but may have to be lengthened or shortened for your particular operating frequency.> Antenna > Moxon Build > Satellite Radio > Digital Modes > Battery > Disaster Prep > Books > Operator; This is the build of a Moxon antenna design I will be using to monitor the sky. The guidance for building the antenna is from this QST article. I will build both the 2m and the 70cm antennas and bond them using a diplexer.May 29, 2022 · How to build a 40 meter Dipole Antenna (no balun) Ham Radio Survival Kit; Dipole Coax Antenna (2m/70cm) Portable Ham Radio Antenna; Ham Radio: Simple vertical antenna for portable dx; 5 Tips for Ham Radio Antenna Building; Stay away from cheap coax; Simple HF Mobile Antenna Installation; Can an antenna work while laying on the ground?. Two input ports (2M, 70CM) are multiplexed oElement phasing: 3 - 1/4, and 3 - 5/8. On 2m this ante An Easy Dual-Band VHF/UHF Antenna. February 1995 QST Volume 79, Number 2. way is to obtain the angle of declination from a topographic map. Often referred to as the variation angle in air and sea navigation, this angle is simply the difference between true and magnetic North at a specified location. By knowing this.4 Nov 2021 ... The FBK2 / 70 is in its basic form a 2-meter half-wave antenna, and will behave like that, in the middle of the 2m band (145MHz). The half wave ... The N5WVX 2 Meter 7 Element Yagi with a &quo May 2, 2023 · To make the Eggbeater antenna project even easier and more cost efficient, I decided to build the Eggbeaters myself, but to design the 70cm Eggbeater dedicated for the downlink and the 2m variant for the uplink. This post is about building the 70cm antenna. These two excellent documentations by ON6WG and F5VIF served as a basis for the ... I am trying to make my own arrow antenna (t...
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