Posted by Ed Holland on December 09, 2022 at 23:43:46.

In Reply to: Re: LF loopstick posted by John Davis on December 09, 2022 at 23:04:52.

I found the article mentioned earlier - Practical Wireless, August 1993. The author makes reference to Ralph Burhans preamp designs in presenting his own take on the subject. A vaguely defined roll off of 400 kHz is mentioned, so operation at 2200m and LowFER frequencies might fare well enough. worldradiohistory.com/UK/Practical-Wireless/90s/PW-1993-08.pdf Ed

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