To: | amps@xxxxxxxxxxxxxx |
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Subject: | Re: [Amps] Novice heater choke question |
From: | Jim Brown <jim@xxxxxxxxxxxxxxxxxxxxx> |
Reply-to: | jim@xxxxxxxxxxxxxxxxxxxxx |
Date: | Wed, 24 May 2017 10:48:34 -0700 |
List-post: | <mailto:amps@contesting.com> |
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 _______________________________________________ Amps mailing list Amps@xxxxxxxxxxxxxx http://lists.contesting.com/mailman/listinfo/amps |
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