And wasn't the DT-600 project an attempt to put the ST-5 on a single board?

Richard kn7sfz

On 5/4/2023 6:57 AM, Steve wrote:

The ST-5 was an excellent HF RTTY demodulator. It was featured as a construction

article in the ARRL handbook in the early '70's if I recall. I'm still using the one

I built back then. The ST-6 is based on the ST-5 and very similar.

Steve W6SSP
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