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On 02/16/2022 1:56 PM Andrew Pavlin via aprssig <aprssig@lists.tapr.org> wrote:
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[...]
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Also, WB2OSZ has written a useful whitepaper explaining why 9600 baud is not significantly faster than 1200 baud, so we might get a doubling of throughput at best with the baud rate change, mostly due to preamble/postamble time and lousy TXDELAY capabilities of the radios in use.
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<a class="enhancr_card_5260062469" target="_blank" href="https://github.com/wb2osz/direwolf/blob/master/doc/Why-is-9600-only-twice-as-fast-as-1200.pdf" rel="noopener">direwolf/Why-is-9600-only-twice-as-fast-as-1200.pdf at master ยท wb2osz/direwolf</a>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">As usual, John does excellent work here. I remember well the time someone on a rec.radio.amateur.*</span>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">newsgroup claimed </span><span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">some single-loop PLL radio worked "flawlessly" on 9600 baud - with a TxDelay of</span>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;"> 300mS. I tried explaining why </span><span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">that was a flaw, but he stubbornly repeated "frames got through without </span>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">errors". It didn't matter </span><span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">to him the 300mS delay creates a kind of hidden-transmitter syndrome.</span>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">73,</span>
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<span id="_mce_caret"><span style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;">Dana K6JQ</span></span>
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<a class="enhancr_card_5260062469" target="_blank" href="https://github.com/wb2osz/direwolf/blob/master/doc/Why-is-9600-only-twice-as-fast-as-1200.pdf" rel="noopener"></a>
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