Cheap 1/4 Wave GMRS Antenna
By Lscott
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This is a cheap 1/4 wave GMRS magnet mount antenna built using some flea market parts. I don’t think I spent more than $15 to $20 on the parts.
The antenna is about 6 to 7 inches tall. Perfect for portable use on rental cars etc.
The antenna was simulated using EZNEC with a length of RG-58 coax cable. The antenna has acceptably low SWR and a wide bandwidth. From the simulation results the antenna can be used on the Ham 70cm band and GMRS as is with no problems from SWR.
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