Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would
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Below are all of the forum threads, including all
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Post subject: wide band vhf(144-174mhz)
LOW PROFILE MOBILE ANTENNA
Posted: Sat Feb 03, 2007 8:59 pm
Joined: Fri Jan 06,
2006 2:06 pm
Wide band vhf(144-174mhz) low profile mobile
antennas are hard to find. After exploring the
web for the above device, I designed, built and
fully tested a prototype. SPECS: 1:1.5 vswr@ a
BW of 16mhz or greater, 2:1vswr @ a bw of 20mhz
or better(ground plane should be at least
3/4wave dia or better). gain equal to a 1/4wave
whip, can handle unlimited power, has no
delicate tuning caps or coils, mounts on 3/4
inch Motorola mount, height 4 inches, installer
easy, so easy even a caveman could do it.
built and tested my first low-profile antenna
back in 1966, and have been in the two-way radio
industry since 1971. Have built models form
7-800mhz. This device is for