780 MHz input … 2 Meter Slim Jim Antenna $ 58. So far received 2 votes for a total score … Replacement 91 inch wire with ring for replacement. That is a good point, the slim jim and J-pole antenna's will couple with close objects. Also, … Coffee machine Kees Van Der - Slim Jim PBR 3D model. by the capacitance added by the curve of the folded radiating top hat. I have had this antenna on my roof since 1992 and it has been problem-free in the San Francisco fog. The Slim Jim is a J-pole with the top fold doing very little except splitting current between the original conductor and the new added conductor. mw3ruh slim jim spacers idea 300 ohm twin lead slim jim 2 meter slim jim by n9agt (so-239 feed and pvc "t's" 2 meter slim "stiff wire" version by m6mrp 2 meter j pole to slim jim conversion 2 meter aluminum slim jim slim This is a really easy antenna to build. A simpler approach to the wooden base is one built out of PVC tubing. 87cm (10 pages) Related Products for DirecTV SlimLine. mw3ruh slim jim spacers idea 300 ohm twin lead slim jim 2 meter slim jim by n9agt (so-239 feed and pvc "t's" 2 meter slim "stiff wire" version by m6mrp 2 meter j pole to slim jim conversion 2 meter aluminum slim jim slim When deployed “low” for NVIS applications dipoles are also known as “cloud warmers”. That's the reason slim jim antennas are usually described as having more gain. Since 1983, Pro-Lok has been developing the About A J-Pole for 2-meters and 70-cm The resource is currently listed in dxzone. In the top piece, drill two 1/4 inch holes that coincide with the center of each piece of copper ( with the long element … Ruler. He intended the aerial to be trailed behind the airship so it consisted of a single element, half wavelength radiator with a quarter wave parallel feedline tuning stub. Red, Black, Red/black, Emergency Orange, Orange / black. The are perfectly suitable for using in the field with a portable radio. I started off with the Yaesu FT 270 R & put the filter in line. 2pcs SMA-F to SMA-F ADAPTER CONVERT YOUR RADIO … 453. What is a Slim-JIM antenna? Converting a CB mobile whip to a 2m Mobile EFHW. Supporting structures can be anything from PVC pipe to wood, including … Antenna battle between two popular roll-up Jpole ham radio antennas. If you look carefully, you can see I brought the DIY homemade roll-up Slim Jim antenna for vhf/uhf in case SSB did not work out. Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. One other thing of note on this project: When this antenna is fed with rg-58 coax ~50 feet the distant gmrs repeater I built the antenna for is unreachable. There is a fence line there for bungeeing the pole to (thankyou Chch City Council), & up went the slim jim about 5 meters. Probably going to buy another for a go-kit antenna. I did a bit of math in my head and determined that in fact, I could not go out and buy … The QM7 antenna is a simple 7 elements Yagi with 3. Slim Jim PVC support mounted on metal mast. Not sure … This is the use of an antenna I have previously used, in a video. It can however also be used as a … Here are the plans to build a 2 meter J-pole antenna: The above dimensions for the J-pole are in inches. Old-timers call it an "end-fed Zepp", bent 90°. The length of the antenna is usually equal to 1/2 wavelength, 1/4 wavelength, so you can calculate the approximate John M0UKD. 4 m band 70 mhz JPole Antenna made in the UK by SuperYagi Antennas. judd slim jim by g2bcx, sk)!!! notes on the slim jim antenna by m0uxb, uk. Make sure to insert the slim jim slowly, making sure not to catch on anything on the way down. So that would mean you have satisfied the rules if you are not using a gain antenna and power into the antenna is 50/2/sqrt (2)=17. While looking for a 70cm/2m antenna suitable for travelling, I came across the "Praesidenten Antenne" on the net: … The N9TAX Slim Jim antenna is the highest quality roll up antenna available today. This connector is typically used to connect audio devices and is reliable, easy to assemble and improves contact integrity as well as cable strain relief.Slim jim antenna kit instructions.
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