Applied to stations with a local control operator, George, that's correct.
However 97.221 permits a form of QSO where one of the stations is
automatically controlled, and is responding to interrogation by the other
station, which is controlled by an operator. This operator can know that the
frequency is clear at his location, but cannot know that the frequency is
clear at the automatically controlled station's location. The result can be
QRM to an ongoing QSO not audible to the control operator.
At present, 97.221 limits this form of operation to bandwidths of 500 hz or
less. If adopted, the ARRL's petition would eliminate this restriction.
73,
Dave, AA6YQ
-----Original Message-----
From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com] On
Behalf Of George Henry
Sent: Saturday, January 14, 2006 0:27 AM
To: rtty@contesting.com
Subject: Re: [RTTY] ARRL Bandwidth Proposal - FCC Invites Comments
----- Original Message -----
From: "Joe Subich, W4TV" <k4ik@subich.com>
To: "'Jim Preston'" <jpreston1@cox.net>; <rtty@contesting.com>
Sent: Friday, January 13, 2006 11:07 AM
Subject: Re: [RTTY] ARRL Bandwidth Proposal - FCC Invites Comments
>
> Jim,
>
> ARRL and others promoting regulation by bandwidth have stated that the
> bandwidth limits are maximum and not minimum. Thus "conventional"
> RTTY would receive a significant expansion in the available spectrum.
> RTTY (digital) would no longer be excluded from the "phone bands."
>
> In general the most objectionable portions of the ARRL proposal
> are:
>
> 1) the lack of required "listen before transmit" protocols
> for any station which automatically responds to calls
> (also known as "semi-automatic operation").
>
> 2) the lack of a requirement that all digital protocols be
> published and freely available in working form to enable
> monitoring and "self-policing"
>
Number one is covered, in general terms, by 97.101, 97.105, and 97.109(d).
Number two is already explicitly covered in 97.309 (a)(4).
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