[TowerTalk] 80m loading coil for 18-HT

Jim Brown jim at audiosystemsgroup.com
Tue May 20 18:29:06 EDT 2025


On 5/20/2025 2:46 PM, kj6y--- via TowerTalk wrote:
> Get one of the mobile coils from Hi-Q.  Then with a 12 volt supply and 2 way switch you can tune anywhere.

Not necessarily the best solution -- modeling software can show 
differences in radiation efficiency for one solution as opposed to 
another. An important limitation of those mobile coils is that they have 
to go down the road.

As Jim Lux suggested, Brian's design software for inductors is excellent.

73, Jim K9YC



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