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Old June 24th 13, 05:38 PM posted to rec.radio.amateur.antenna
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Default Help with commercial VHF mobile antenna

On Mon, 24 Jun 2013 09:15:46 -0700, Jeff Liebermann
wrote:

-- Overall height: 14.25 inches
-- 4 inches from the base the antenna is wound into a coil, about 3/8
inch diameter, 5 turns
-- the coil is 1.75 inches long
-- above the coil is 8.5 inches of antenna
-- NMO base


Like this perhaps?
http://www.11junk.com/jeffl/antennas/Misc/slides/Motorola-850mhz-NMO.html
That's an 850 Mhz 5/8 wave antenna, commonly sold by Motorola for
trunking systems.


The antenna in the photo was made by Maxrad (PcTel). I have others
that appear identical from Antennex (Laird). I couldn't find a
similar antenna in either online catalog. The one's supplied by
Motorola use a heavier gauge wire which I guess(tm) were Antenna
Specialists (PcTel) like this:
http://www.ebay.com/itm/321096706872

This is the closest equivalent that I could find:
http://www.antenna.com/artifacts/2012511BASELOADEDNOGROUNDPLANEANTENNAS.pdf

I would advise against using this antenna for 152 Mhz and suggest you
get a real 1/4 wave or 5/8 wave antenna.




--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
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