[Elecraft] OT: Mobile operation "bible"

Jim Brown jim at audiosystemsgroup.com
Fri Apr 1 01:09:59 EDT 2016


On Thu,3/31/2016 2:13 PM, Mel Farrer via Elecraft wrote:
> While I never tune while driving, I got rid of the autotuners for the HI-Q 5-160 antenna and installed a switch to allow me to transfer the antenna to a FG-01 analyzer.

Short loaded antennas are, by their nature, pretty narrow band for 
tuning. When I still ran HF mobile, I found that a rig with an 
auto-tuner was a big help in extending the useful bandwidth of an 
antenna. If, for example, the antenna was resonant on 7075, a tuner 
might match it to the rig from 7000 to 7150 or even higher, whereas 
without the tuner I'd be limited to about half that.

Bearing in mind that in a mobile installation, coax is too short to 
introduce enough loss to matter, so it's merely a matter of making the 
rig's output stage happy (and running at full output).

73, Jim K9YC


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