[RTTY] FSK is bad?

Stanley Zawrotny k4sbz.stan at gmail.com
Wed Oct 26 12:10:21 EDT 2016


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 at 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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