[Amps] Novice heater choke question
Jim Brown
jim at audiosystemsgroup.com
Wed May 24 13:48:34 EDT 2017
On Wed,5/24/2017 9:38 AM, Larry wrote:
> In point of fact, since the typical antenna system on 137 kHz has a
> gain of -25 to-40 dBi (note the minus sign!!!), a 1 KW out amplifier
> is quite reasonable!
N6LF published an excellent tutorial on how to determine the efficiency
of short antennas for these bands in QEX a year or two ago. My guess is
it that it's also on his website. He puts most of his published articles
on his website.
73, Jim K9YC
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