The resource is currently on dxzone.com in just one category. Main category is 2M that is about Antenna projects for 144 MHz. This link has been on our site since Saturday Feb 22 2020, and it has been clicked on 387 times. So far it received 1 votes for a total score of 5.00/10. The scale is 1 - 10, with 1 being poor and 10 being excellent.Apr 6, 2021 · Here are some of Mike's comments. A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun. Next time coax traps on the DX commander I do hope you enjoy it and subscribe for more.. Many thanks Mike - M0MSN To get notified of the next upload .click that ...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.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 Antenna by .n9taxMike 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 …Adjust the tuning screw for maximum reading on the 415 meter. Remove the cavity and connect point X to Y. Set the signal generator to the repeater output frequency and adjust the 415 for a 0 reading on the 20 dB scale. Reinsert the cavity between X and Y and adjust the cavity tuning for minimum reading on the 415.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 YagiA 2M/70Cm antenna should cover the popular 2 Meter VHF and 70CM UHF bands. Make sure to double check the specifications to ensure you're getting the right antenna for your needs. ... Ham Radio: 2M/70Cm Skylab Build. Home-Brew 2M Antenna 143 - 148 Mhz. Final Thoughts On Selecting The Best 2M/70Cm Base Antenna. When selecting a 2m/70cm base ...Here are some comments from "electronics unmessed": This video is about building a loop antenna for the 70 centimeters amateur radio band. What I particularly like about this antenna is that it implements a bandpass and a powerful antenna at the same time. The principle of this antenna is actually very simple: A ring with the circumference …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 ...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...UAYESOK Heavy Duty Magnetic Mount Mobile Antenna Dual-Band 2m 70cm VHF/UHF Mag Base Antenna PL-259 Plug for Vehicel Truck SUV Mobile Radio Scanner Repeater System Visit the UAYESOK Store 4.4 4.4 out of 5 stars 115 ratingsHere are some of Mike's comments. A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun. Next time coax traps on the DX commander I do hope you enjoy it and subscribe for more.. Many thanks Mike - M0MSN To get notified of the next upload .click that ...Lessons learned building my first VHF/UHF tape measure antenna. As soon as I got my Technician’s license and my first radio (a Yaesu FT-70DR ), I set out to build one of the VHF / UHF (2m / 70cm) tape measure Yagi antennas I had been reading about online. This video got me started with measurements for the tape, etc.I’ve always wanted to have a go at working the satellites but never wanted to pay out on a dual band antenna. I already have a cheap uv5r radio that’s I’ve s...This set me back about 50 euro cents per 2 meter (which means about 0.65 USD for 6.6 feet). I needed 50 cm of pipe in this antenna (2 times 25 cm). Next to this I used 70cm of speaker wire I had laying around and a few tie raps to strap it all together. I checked the SWR with the build in SWR meter of my FT-817. It was all 1:1.1 so perfect!Use a pair of hose clamps, and secure them firmly. Step two is to mount the slightly shorter measuring tape, known as the director, across the PVC tee. Like the first connection, make sure the clamps are firmly attached, and center the tape on the tee. Step three is to prepare the coax. You have a 6′ SMA extension cable in the kit.Adjust the tuning screw for maximum reading on the 415 meter. Remove the cavity and connect point X to Y. Set the signal generator to the repeater output frequency and adjust the 415 for a 0 reading on the 20 dB scale. Reinsert the cavity between X and Y and adjust the cavity tuning for minimum reading on the 415.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.Duoband Yagi 2m/70cm with 4 Elements on 2 m. and 5 Elements on 70 cm and one Feedpoint. Version 1: Ultralight with 3,2-mm-Elements. Version 2: With 8- and 10-mm-Elements (see down), built by SQ9VPA. The 4-El.-Ultralight-Yagi for 2m can be used on 70cm with an SWR of 1,5 without any changes. The pattern and the currents of the Yagi are shown down.This is post 2377 in a continuing series of simple ham radio antennas. If you need a simple, inexpensive Amateur/Ham Radio 2m/70cm antenna for portable or even home use, then this 2 meter vertical dipole antenna from Dave Tadlock (KG0ZZ) may be be what you need. With a few hours of your time and some parts costing between $20 and $40, you can ...An upgraded version of the Vhf dipole antenna. Now made dual band vhf/uhf by 2 dipoles in parallel. Reflector elements can be added if slight directivity is...Here’s a small 2m / 70cm diplexer that is good for up to 10W of power, perfect for working satellites with a HT. The design comes from KI0AG and was originally published in the November-December 1997 AMSAT Journal. It consists of two Chebyshev low-pass / high-pass filters designed for the 2m and 70cm Amateur Radio bands.4 Nov 2019 ... Those explain the design and how to build your own. The DBJ-2 is a great antenna. I use mine for emergency communication volunteer work with the ...Mhz so it can generally covers the whole VHF amateur band. -Connect a SWR meter to the antenna and to the radio, making sure you attached it to the right connector posts. -Take a SWR reading, and if it is beyond 1.5, cut the 19.5" VHF element rod 1/8" at a time until the readings is in between 1-1.5. -Theoretically , a reading of 1 is the best ...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.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.Dual band Yagi for 2m and 70cm with 4 elements on 2m and 5 elements on 70cm and one feed point, designed by DK7ZB. A great antenna for amateur radio satellit...For approx £2.50 you can build a wire dipole for each. It will work, especially if you want to do horizontal polarization ( for low power/SSB/digital) UHV/VHF work. I'm a new operator and I've already got a self-made ground plane for 2m band but I wonder if different designs could be more efficient. Jpole or a….Raise your hand if you thought pointing both of a router's antennas straight up was better for Wi-Fi reception. Yeah, us too. According to a former Apple Wi-Fi engineer, however, t...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.The Blade can also be used as a travel antenna, or even outdoors for short periods of time. Note: Low power is recommended indoors for health reasons. Tuned to 2 Meter Ham Band: Each antenna is tuned to the 2 Meter Ham Band centered at 146 MHz. Ready Made: There's no assembly necessary and 18 feet of coax (with BNC or UHF connector) is included.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 compatiblMhz so it can generally covers the whole VHF amateur band. -Connect a SWR meter to the antenna and to the radio, making sure you attached it to the right connector posts. -Take a SWR reading, and if it is beyond 1.5, cut the 19.5" VHF element rod 1/8" at a time until the readings is in between 1-1.5. -Theoretically , a reading of 1 is the best ...This "J" design can be used as adual-band'er - 2m/440. Technical: Thebasic "J" is reported to have >3dB of gain over a l ground plane antenna and 6dB over an isotropic (theoretical)antenna.The "J" can be made from almost any material: copper pipe, steelwhips, and even 300 ohm TV twin-lead.Radio Adventurer. 1.34K subscribers. Subscribed. 70. 4.6K views 3 years ago. This time I found an old fence wire, a piece of wood, and decided to make a yagi …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 ...However, if the only repeater you intend to use from your home is a 2m machine, and you have no interest in other VHF/UHF band operations, then a single band VHF antenna may be your choice. (Ditto for only 1.25-m, 70-cm, or 6-m band ops). Consider the local radio resources available to you and how you wish to use them, and then decide what band ...TWAYRDIO Yagi Ham Radio Antenna,Dual Band 2m 70cm VHF UHF Yagi,High Gain 8 Elements GMRS Vertical Base Antenna for Repeater System,HT Scanner,Satellite Work . Visit the UAYESOK Store. 4.0 4.0 out of 5 stars 74 ratings | Search this page . $98.99 $ 98. 99. FREE Returns .This set me back about 50 euro cents per 2 meter (which means about 0.65 USD for 6.6 feet). I needed 50 cm of pipe in this antenna (2 times 25 cm). Next to this I used 70cm of speaker wire I had laying around and a few tie raps to strap it all together. I checked the SWR with the build in SWR meter of my FT-817. It was all 1:1.1 so perfect!An RF choke can save the day for field radio operations where you do not necessarily control all aspects of your antenna system and common-mode currents can wreck havoc on electronics, and even your fingers! Use an FT-114-31 with six turns of RG-174 or RG-316. You can also use eight turns with an FT-140-43. For more power handling you can use ...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.The Slim Jim antenna is a flexible antenna made from ladder line. The two ends are soldered together to make a loop and a small gap cut out of one side of the ladder line, the Coax feeder is then soldered to the ladder line to make a flexible antenna. Designed normally for 70CM (UHF - 440Mhz) and 2M (VHF - 145Mhz), these cheap, easy to make ...In this video, Dave shows us a simple step-by-step procedure to make a dual-band 2 meter and 70 centimeter ground plane antenna. This antenna will let you connect with both 2 meter and 70 cm repeaters in your area. The antenna is fairly easy to make with locally available materials. This homebrew dual-band antenna is suitable for both home and ...The Connect at measurement is 1 1/2 inches from the top of the horizontal member to the point of connection. The distance between the main element of the j-pole centerline and the tuning stub centerline is 0.75″. Pages: 1 2. Filed Under: antenna, Ham Radio, WB8ERJ Tagged With: 70cm, Antenna, DIY, Ham Radio, J-pole, jpole, wb8erj.Dipole Antenna Calculator. How to build a 2-meter cubical quad antenna. Tri-Band Fan Vertical for 40-80-160 meters. My 5-band attic antenna for Ham Radio. Ciro Mazzoni Baby Loop Antenna. DP200 7-54 MHz 500w Portable Dipole HF Antenna. High Quality Dual Band Antenna for on-the-go ops. Ham Radio: The Coat Hanger Antenna 2m/70cm dipole. Ham Radio ...Feb 16, 2021 · A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun.Next time...A 2M/70Cm antenna should cover the popular 2 Meter VHF and 70CM UHF bands. Make sure to double check the specifications to ensure you’re getting the right antenna for your needs. ... Ham Radio: 2M/70Cm Skylab Build. Home-Brew 2M Antenna 143 – 148 Mhz. Final Thoughts On Selecting The Best 2M/70Cm Base Antenna. When selecting a …The slot antenna may be well suited to this purpose, particularly for smaller attics given its horizontal orientation with vertical polarization appropriate for local 2M FM repeaters. The 70 cm Build: For a half-wavelenth 70cm band slot of 33.7cm (λ/2 = 150/445 = 0.3370M or 33.7cm) was cut just below the 2M slot with two holes drilled for a ...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 ...Build a dual band stub j-pole antenna for amateur radio 2m and 70cm. This was a pre-corded instructional video that we made for our Amateur Radio Club progra...The antenna is dual banded to operate on 70cm using the same sleeve technique as used on the dual-band basic Flower Pot. This results in the antenna operating with four half-waves in phase on 70cm and provides a theoretical antenna gain of 6dBd on 70. Dimensions shown are for a 1st build prototype from a concept drawing and have yet to …2 Meter & 70cm UHF VHF Dual Band 144/430MHz NMO Mount Antenna with 16.5 FT UHF PL259 Male Plug Kit for Trunk Vehicle Car Mobile Radio Transceiver Two Way Radio, Eifagur ... with good signal reports. They also appreciate the solid build and performance. Some say it'll work well for 2m and 70cm bands, and is small and efficient. Overall, most are ...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.The new 2M/70cm has higher gain and is mounted 10 feet higher than the previous antenna. The 6M HO Loop is very narrow-band, but the SWR is nearly perfect at 50.3 MHz, so it will be great for digital and CW work. I did tune to 50.313 MHz and could hear and decode lots of FT8 from stations participating in the ARRL June VHF Contest.Lower Silesian Voivodeship. Lower Silesian Voivodeship (pl: województwo dolnośląskie [vɔjɛˈvut͡stfɔ dɔlnɔˈɕlɔ̃skʲɛ]) is a voivodeship (administrative province) in southwestern-Poland, encompassing much the historic region of Lower Silesia, from whose Polish name ( Dolny Śląsk) its name is derived.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 ...A ground plane antenna for 2m or 70cm is one of the simplest antennas to build and get working, and it can work quite well for repeater or simplex operation. It is easy to build for other bands as well. ... Using junction blocks to build the hub of a VHF ground plane antenna. The individual metal pieces are removed from the nylon housing and ...Build a Simple VHF Dipole Antenna for 2m. If you've ended up here, you're either a novice - or clicked through out of curiosity. We were all novices once, and my aim here on this page is to give the novice and beginner an introduction into building a working antenna. It's not about the 'Ins' and 'Outs' of it all.Building dualband 2m/70cm 3 Elements by 5 Elements Dualband Yagi. If antenna is expensive no problem home brew it yourself. Antenna plans is available at my ...This is post 2377 in a continuing series of simple ham radio antennas. If you need a simple, inexpensive Amateur/Ham Radio 2m/70cm antenna for portable or even home use, then this 2 meter vertical dipole antenna from Dave Tadlock (KG0ZZ) may be be what you need. With a few hours of your time and some parts costing between $20 and $40, you can ...24 Apr 2020 ... 2.6K members. Join. Antenna Building Novice & Expert. 29K members. Join. FT-991A. 3.1K members. Join. Ham Radio Swap - Online Hamfest. 16K ...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 ...In order to connect a 2m/70cm radio and a 1.25m radio to a triband. antenna (2m/1.25m/70cm), one requires a triplexer and diplexer. I'd. like to cut down on the number and size of equipment to do this. I asked Comet about making a single compact unit that takes 2m/70cm on. one port and 1.25m on the other.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 …HAM RADIO: Easy SlimJim / J-Pole Dual band Antenna Build for 2m/70cm . Thanks to Mike (M0MSN) for this "Slim Jim"/"J-Pole" antenna idea. This dual band (2m/70cm) antenna is easy to build and will give you a bit more gain than a 1/4 vertical whip. This variant of the popular "Slim Jim"/"J-Pole" antenna is suitable for both home and field use.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.Apr 28, 2015 · I used 1″ thin-wall PVC pipe, aluminum tape, and RG-8X coax. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works quite well. If you have the materials handy, you can build and install this antenna in a couple hours. This dipole was constructed as follows: Cut 6 or 7 feet of 1″ thin ...In the video I incorrectly state 440cm, this is intended to mean 440 band or 70cm!In this video we will make a yagi for 2 meter and 70 cm ham bandsLink to In...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...The yellow trace is the VSWR reading from the antenna analyzer. One pink asterisk is at 2M, and two pink asterisks is at 70cm ham bands. Zooming in on 2M shows a slightly better SWR than the full spectrum, at between 1.5 and 3 across the band. The VSWR of 70cm was below 2 across nearly the entire band. STEPS #22 to #25: COMPLETE THE ANTENNA. 22.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....The more common coax collinear requires a PVC radome to give it rigidity and weather proofing, and assembly can be difficult. The 2 - 440 Collinear vertical in this project is simple to build and expand, semi rigid, self supporting, water tight, electrically sound, and a professional appearance when completed.One thing that people hate when they have a TV antenna is when it can't get a good signal. Some of you have probably been trying to figure out where else you can mount your antenna.... build for operating on the 2-meter band. It&#The 2 Meter band tape measure beam antenna is a 3 ele Build a 2m VHF lightweight sleeve dipole antenna. A compact portable antenna and easy for deployment. You can even operate the dipole while holding it. Building it is easy just follow the antenna plans below. The antenna specifications are below including the testing video. Wiring the Feedpoint. Antenna Measurements.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 ... Is your Ham Radio HT rubber ducky letting you down? Do you wa 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;Construyo, a Berlin-based startup that offers a “holistic” project management service that connects the architecture, engineering and construction (AEC) industry, has raised €2 mil... Now its time to add the additional elements to the top...
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