[Elecraft] K3 and very strong signals

Back in the "good old days" in the late 1960s at National Radio Company, my first employer after I graduated from college, we had several quick-check tests for AGC performance. Each used an AM-modulated signal generator (usually the venerable HP-606A -- remember those lovely, heavy old beasts?). A

[Elecraft] FCC Specs for marine SSB IMD compared to amateur specs

Comparing a marine SSB radio with an amateur radio for the transmitter cleanliness can be misleading. 47 CFR (code of Federal Regulations by the FCC) is for maritime radio stations. It says: 47 CFR Part 80, Maritime Stations FCC Rules and Regulations § 80.211 Emission limitations. The emissions

[Elecraft] (no subject)

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