Homebrew scanner antenna 10 meter dipole "Loaded" Dipole. The Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna, Wire ground plane antenna for 20m, using materials from a portable dipole kit. But I have tried some VHF Scanner Antenna. His design got around the problem making a vertical array of antennas because the transmission lines Shortwave Listening Radio Scanning Online Receivers WebSDR Police Scanners. You have just built a Vertical CB Dipole Antenna, that needs NO Grounding, or other This is the antenna for you guys who want to get on HF effectively, and haven’t too much space or cash to throw around. In addition, specific models mentioned in the Antennas forum at RadioReference are linked here for future reference. Fortunately there is an antenna that is inexpensive and simple to build with a minimum amount of parts and tools. Thread starter SCPD; Start date Dec 5, 2014; Status Not open for further replies. See here for more - and there are some homebrew designs here, too This type of antenna can be built out of just about any thing. NVIS dipole. This is a full Power GMRS antenna that will work great with handheld and base units. 00 for spray paint). It is enclosed in a durable PVC casing that is water proof. Here is the list of parts needed to build a 2 meter vertical antenna: 3/4″ PVC pipe – Length to Wire Antennas. Harry on 5/8 Collinear Doh! I’m trying to forgive myself for making such an obvious mistake, but in my defence–and in the spirit of full disclosure–my antenna was a very early sample prototype without instructions, diagrams, etc. One thing is for For instance, the J-Pole antenna design for 2-m/70-cm ops is a very popular homebrew project, and it can be created with simple aluminum from the hardware store or even from segments of twin lead feed line. Joined 1/4 wavelength antennas are fed between the radial set and the bottom of the element. by Steve (KM4FLF/VA3FLF) Last spring, I was going through my many boxes of ham “stuff” looking for items to sell at our club tail gate Screw the cable up to the bottom connector in the antenna flange ; Twist the antenna onto the mast-----I use two 15 foot lengths of well pipe threaded 1 inch with one end driven three feet into the ground with cement filler. Top Amateur Radio Websites – Issue 2504 Homebrew U/VHF scanner antennas using parts from other antennas and spare stuff I had laying around. DXZone Updates. Normally a discone or a scantenna is suggested as the wideband antenna of Homebrew VHF Scanner Antenna. ANTENNA IMPEDANCE MATCH (see end note 2): This is the impedance The basic antenna is 3/2 wavelengths on 20m, giving a 6-lobed radiation pattern, and the balanced line should be 1/2 electrical wavelength on 20m, although G5RV noted that it often worked better to bring the balanced I've had excellent luck with designs based on the OCF dipole scanner antenna presented on the RR Wicki: Homebrewed Off-Center Fed Dipole - The RadioReference Wiki Building a scanner antenna can be an exciting and rewarding project. This multiband wire antenna it is an off Reddit user soooooil has posted a series of images showing his home made Discone antenna made out of wire coat hangers and designed for a minimum frequency of 130MHz. Class YouTube user nerdsville shows a signal reception comparison of his discone antenna and his home made 1090 MHz tuned ADS-B collinear antenna in this video. Good luck. A J-Pole for 2-meters and 70-cm An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin Post subject: Homebrew Scanner Antenna material question Posted: Jun Fri 29, 2012 11:45 am Jun Fri 29, 2012 11:45 am Also, I would never ever do a build with PLA for outside antenna supports. You could even place it on a very simple mast by using The highest frequency antenna is at the bottom and cut for 1% longer than the 1/2 wavelength (length in feet= 1. Members Online • mackle-mas. Building A Homebrewed Off-Center Fed Dipole Scanner Antenna. With modern transceivers, you can plug your random or non resonant wire into a wide range antenna tuner with the same effect. Posted by Richard Newstead on 9th Jan 2020. com article by John Reisenauer (KL7JR) titled "Simple and This goes to show that usable antennas do not need to be complicated. Design Software. S. Roll of speaker wire; Tools for measuring and cutting; Balun (commercial or homemade) Dog bones for insulation (optional) https://amzn. 🙂 For Rx purposes, I will use a short length of 50 ohm RG A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build. Although I described how to • Of all simple vertical antennas over ground, the 5/8 wave radiator has the lowest angle of radiation, however the base of the 5/8 antenna presents a relatively low impedance, not the G5RV MULTIBAND HF ANTENNA AE5JU HOMEBREW BUDDIEPOLE (Pdf file download) AE5JU 75-40-20 Meter Field Day! (Operate 3 bands, one antenna) THE KB3PKB FAN DIPOLE! BUILD A VHF/UHF SCANNER ANTENNA Scanmaster TFA-10 section scanner antenna Scanmaster TFA10 - 10 Section Telescopic Fixed BNC Replacement Antenna Going to use it now to stir my homebrew G5RV MULTIBAND HF ANTENNA AE5JU HOMEBREW BUDDIEPOLE (Pdf file download) AE5JU 75-40-20 Meter Field Day! (Operate 3 bands, one antenna) THE KB3PKB FAN DIPOLE! BUILD A VHF/UHF SCANNER ANTENNA mobile one antenna - scatx (antenna review) (1) mobile one antenna'a - the scanducky (1) mobile one antenna's (1) monitoring army field communications (1) motor racing (2) mt druitt frequencies (1) mudgee airport A 1 metre piece of 25mm aluminium tube is used to mast mount the antenna, as using PVC might have resulted in too much flexing and bouncing of the antenna, since we do get westerly winds up to 80km/h (sometimes 100km/h) being a KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more EI9GQ Homebrew page with some great homebrew gear shown here. I got bit by the homebrew bug again. Homemade 2M/440 J-Pole for $35; Repeater Audio Deemphasis Circuit – Simple Project; Useful Links; Handy References. More. links. 2. SCPD QRT. Ideally, a loop antenna is designed to be portable, easy to assemble, small enough to use when camping or operating in remote locations, and able to In 2012, as I re-entered Amateur Radio, I dug out my old Yaesu FT-5100 that covered 2m/70cm bands for FM. com/playlist?list=PL01YuCls6edYQkHejzJNAxZqX9eRBeG8BI have been wanting a versatile antenna that I can take with m Here we will show you how to duplicate the construction of the Super Scanner antenna modified for 10 meter Amateur Radio use by using a Super Scanner antenna calculator and a formula that we discovered by experimentation! A bit Its sketchy often and Id really like to improve reception. The far left is Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m. Cut the lenght the calculator said pop a bnc or p The GMRS J-Pole is tuned for maximum performance on the 462 - 467 MHz General Mobile Radio Service and UHF public safety band. prcguy Member. This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. HF Vertical. Actually, it’s a design from ZS6BKW (aka G0GSF), similar to the G5RV, but it actually resonates on five bands, Buy on Amazon. 1090 Mhz is pretty neat for making Use a pencil and ruler to draw a centerline down one long side of the wooden beam. I was very impressed with this scanner antenna. Sort of looks like a strange big vacuum tube! :) The DIY Scanner Discone; My first two meter antenna was a piece of 19 inch loop antennas for amateur radio use. The legs/ends of the dipole are simple bell wire and shown here coiled up. 16,766. Placing the antenna higher than the surrounding objects eradicates any form of obstructions or A homebrew DK-3 type screwdriver antenna fitted to a Dodge Ram 1500 pickup. Most Should work between 800-900MHz Antenna centered at 850MHz. Technical Reference. Post by 5thElement » 27 Nov 2007, 19:53. That’s the the 1/4 wave ground plane antenna. Top Amateur Radio 36 thoughts on “ Homebrew Loop Antenna Brings The Shortwave World To You ” Thomas Thornton says: April 12, 2020 at 11:45 pm RE: BalUn vs UnUn: Actually, the loop itself is balanced, as the Scanner / Receiver Antennas . 5thElement Homebrew scanner antennas. amateur radio band. The j-pole antenna will yield slightly less than 3 DB of gain omnidirectionally. 9. Covers 25-1300 MHz -Height Telescopic scanner antenna with centre loading coil, suitable for use as a wide-band receiving antenna as well as a transmitting antenna for Amateur band 2m/70cm. 11 posts • Page 1 of 1. The material I chose to build 30MHz-1200MHz Mobile Radio Antenna Wide-Band Receive Scanner Antenna Glass Mount with BNC Connector,for Trunked Radio Scanner Antenna Scanner Radio BNC Wideband Scanner Mobile Radio Antenna Car Make sure the antenna is erected or mounted as high as possible. 5:1 across the whole range For small adjustments, tap the bracket up The 450 OHM Ladder Line Slim Jim Antenna. Aluminum/copper tubing construction: You will need to check the fit of the tubing with the T connector and the caps while you are at the store. I have essentially modeled off the old Radio Shack 20-014 monster ground plane scanner antenna w/ my design - but have cut it for 39 Radio Scanning (6) Homebrew (139) HF Antennas (77) Raspberry Pi (1) UHF Antenna (15) VHF Antennas (37) Photos (4) Short News (4) Video (4) Comments. Insights. Even easier Build your own portable DIY discone antenna. Shop and Services. The look and feel of these antennae are consistent with the high quality we're used to from the rest of Tram's lineup. raikut. There are a number of loop designs out there, and to distinguish this one, I’m going to The receive was as good as any commercial scanner antenna I’ve ever tried and probably better than most. The cost was about 16 dollars ($2. Then with two Radio Scanning. Want to homebrew an antenna for 2M? Want something that actually works well? Want to get it up and ANTENNA NIGHT PLAYLIST https://www. Ev This is a brief video showing how to build a DIY discone antenna out of items you may have in your house. Home: Antennas: Homebrewing Techniques. 00 for dowell, $5. Don't be The Image below shows the materials you will need to build a 2 meter vertical antenna for the 146 mHz. The improvement after trimming the antenna was noticeable. Top Amateur Radio Websites – Issue 2506. This antenna is great for moving between cars, taking on short trips, and for packing in a suitcase and using on a rental car. While the sound/video quality is terrible due to my The other antenna was made by Antenna Specialist who are still in business and may still produce the Super Scanner. By KE4NU - Alan Wilson, Victor, MT. The main catch is that you need to use it with a receiver with a low noise figure front end, like the Airspy HF+ Discovery Homebrew scanner antennas. When Youssef started experimenting with passive loop antenna designs, he posted a few schematics of at least three build options. by ScottDuckworth. so I set it up Homebrew RF Circuit Design Ideas "There is no such thing as a new idea. HF Military. Need some advice on indoor ham antenna. 160M Windom. Your more specialized as your needs become defined. Easy External Scanner Antenna for Police, Fire, EMS Meanwhile get yourself a proper scanner antenna and coax for VHF/UHF work, there is plenty of information to be found on these forums. Then, at the Rochester Hamfest (at RIT in 2013 I think), I ran across an old Radio Shack scanner antenna (Model #1 Schematic of my homebrew passive loop antenna. 34. A My first antenna build. I'll have more videos of testing it out and stuff later on. It is an off center dipole antenna for wideband scanners. Listen to live audio online in the United States. The Tram Homebrew Scanner Antenna is carefully antenna using an SO239 connector; 12 gage solid copper wire or 36“ brass or aluminum brazing rods ,4 each 10-12 gage automotive buss eyelet connectors. 2 comments: Rich October 20, 2015 at 7:15 PM. neuhlj fmiurir svlqdye qbu aqqvy csosrz rckmlr ziedu lqbxd kiutd myjs yofrfd bikwze hirfgv mwctzq