How could the PSK and JT people change their bandwidths? It seems to come with
the mode.
Stan, K4SBZ
"Real radio bounces off the sky."
> On Oct 25, 2016, at 1:58 AM, Bill Turner <dezrat@outlook.com> wrote:
>
> ------------ ORIGINAL MESSAGE ------------(may be snipped)
>
>> On Mon, 24 Oct 2016 20:04:59 -0400, W4TV wrote:
>>
>>
>> PSK31 and JT65/JT9 operators have been browbeaten to keep their power
>> levels very low - many of the "thought police" claim anything more than
>> 5W is intentional interference - while the normal RTTY operator will
>> run his full transmitter output.
>
> REPLY:
>
> It should be pointed out that this pressure to use only low power has
> nothing to do with the mode, but rather the wide bandwidth at the
> receiver end to enable the "waterfall" display which people seem to
> love. Just one strong signal anywhere in the receiver bandwidth will
> cause the receiver's ALC to crank down the gain for everybody.
>
> By contrast, RTTY operators traditionally use a very narrow receive
> bandwidth to begin with and the ALC issue no longer exists and high
> power is the rule.
>
> It would be interesting to see how much more DX the PSK and JT mode
> ops could work if they used very narrow bandwidths and high power. I'm
> not holding my breath on that, however.
>
> 73, Bill W6WRT
>
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