Re: ГАГАРИН сказал ПОЕХАЛИ
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Quote from: Tom W2ILA on April 13, 2024, 09:25:03 AM
He wasn’t the first cosmonaut.
He was the first cosmonaut to land alive.
The Soviet space program owns ...
3 hours ago
Enjoyed muchly, just didn't explain the role(s) of the filter and its relationship to the BFO/Carrier Oscillator for Rx selectivity and cutting both carrier and unwanted sideband on Tx.
ReplyDelete1960s was likely too early for phasing (e.g. NZART/Break-In 'Tucker Tin').
Modern 'kits' e.g. BITX are still 'filter' rigs just like this.
FB and 73!
That was *remnant* carrier.
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