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Posted by John, W1TAG on October 03, 2026 at 01:51:35.
In Reply to: Re: 4000 meters? posted by Gedas W8BYA on October 03, 2026 at 01:26:23.
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There was a WG2XRS license for the 72 KHz region, with operation from 5 sites from August through December of 2013. I was WG2XRS/3. I did more listening than transmitting, I believe. The general reaction was that it was tougher and noisier than 137 kHz, but it did work in the Eastern U.S., using QRSS modes. If memory serves, as the year went on, interest picked up in VLF work, both licensed (low 20 kHz area), and particularly unlicensed below 9kHz. I have no recollection of the 72 kHz stuff going on much after that. John, W1TAG
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