Roger, it's not SSB for voice. I think what they're doing is something QRP-Labs have done for a while: measure the audio tone coming in from the computer and directly set the frequency from that rather than mixing. I find FSK signals generated this way are more decodable than mixed SSB signals so it's a good thing. 73 de VK3TPM
Roger, it's not SSB for voice. I think what they're doing is something QRP-Labs have done for a while: measure the audio tone coming in from the computer and directly set the frequency from that rather than mixing. I find FSK signals generated this way are more decodable than mixed SSB signals so it's a good thing. 73 de VK3TPM
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