[Elecraft] Upgrading K3 s/n 11xx to operate on the 472KHz
John Harper
johnae5x at gmail.com
Sun Oct 1 22:11:25 EDT 2017
These seem to be popular from what I've been reading lately:
http://www.monitorsensors.com/ham-radio/630m-transverter
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John AE5X
https://ae5x.blogspot.com
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