[RTTY] ARRL attack on current RTTY users

[Phil Sussman]

Bill,

Yeah, we'll fumble with the FCC rules and see what actually happens. It won't
be as expected and Chaos will show up no matter what; hopefully followed
shortly thereafter by Maxwell Smart.

73 de Phil - N8PS



Quoting Bill Turner <dezrat1242 at yahoo.com>:

> I am a little surprised that no one has brought up the question of measuring
> bandwidth. We need to be careful what we ask for - we just might get it.
>
> If the FCC should establish a bandwidth limit of 500 Hz, what exactly does
> that mean? Does that mean that all tones AND SIDEBANDS must be within the
> 500 Hz? Or does it mean that the shift of a signal must be within 500 Hz but
> the sidebands can be outside 500 Hz?  And if the latter, how many dB down
> must they be?
>
> You may recall that the "real" bandwidth of a 170 Hz shift RTTY signal is
> approximately 300 Hz because of the sidebands.  Given that, what is the real
> bandwidth of a mode that claims to occupy 500 Hz, such as Olivia 500/16?
>
> This needs to be settled before the rule is made by the FCC, otherwise chaos
> will surely follow.
>
> 73, Bill W6WRT
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