It seems to me that, that is exactly what we need.
Danny Douglas N7DC
ex WN5QMX ET2US WA5UKR ET3USA
SV0WPP VS6DD N7DC/YV5 G5CTB all
DX 2-6 years each
.
QSL LOTW-buro- direct
As courtesy I upload to eQSL but if you
use that - also pls upload to LOTW
or hard card.
moderator [EMAIL PROTECTED]
moderator http://groups.yahoo.com/group/DXandTalk
----- Original Message -----
From: "John Champa" <[EMAIL PROTECTED]>
To: <digitalradio@yahoogroups.com>
Sent: Tuesday, May 01, 2007 6:58 PM
Subject: RE: [digitalradio] Digi Voice: No Bandwidth Limit (was Re: ARRL
wake up ......)
> John,
>
> Didn't you read all those many rants on the HSMM pages last year?
>
> They were all saying the same thing Bonnie is writing here,
> i.e., the the ARRL bandwidth proposal takes away privileges
> because under exisiting regs there is NO BANDWIDTH limit.
> It's the secret hidden in the proposal that nobody wants to talk
> about, except Jeff king, WB8WKA, of course (HI).
>
> 73,
> John
> K8OCL
>
> ----Original Message Follows----
> From: "expeditionradio" <[EMAIL PROTECTED]>
> Reply-To: digitalradio@yahoogroups.com
> To: digitalradio@yahoogroups.com
> Subject: [digitalradio] Digi Voice: No Bandwidth Limit (was Re: ARRL wake
up
> ......)
> Date: Tue, 01 May 2007 22:43:01 -0000
>
> --- In digitalradio@yahoogroups.com, "John B. Stephensen" <[EMAIL PROTECTED]>
> wrote:
> >
> > 47cfr97.307(f)(2) limits the bandwidth of all transmissions in the
> phone/image segments to that of AM or SSB communications quality audio
> which is usually interpreted as 3 kHz.
> > John
> > KD6OZH
>
>
> Hi John,
>
> Digital Voice is "Phone" under FCC's definition.
> There is no bandwidth limit on a "phone" signal, implied or otherwise,
> for a digital voice signal.
>
> You either made an error or you are reading your FCC rules wrong. Here
> is what the rule actually says:
> ======
> 97.307
> (f) The following standards and limitations apply to transmissions on
> the frequencies specified in §97.305(c) of this Part.
> "(2) No non-phone emission shall exceed the bandwidth of a
> communications quality phone emission of the same modulation type. The
> total bandwidth of an independent sideband emission (having B as the
> first symbol), or a multiplexed image and phone emission, shall not
> exceed that of a communications quality A3E emission."
> ======
>
> As you can see, that rule is for non-phone. Currently, the non-phone
> modes defined by FCC in those §97.305(c) frequency bands are "image"
> "data" "RTTY" "multiplexed emission" and "CW". If you read them
> carefully, you will find that the FCC rules are really unclear
> regarding any finite bandwidth limit for these non-phone modes on HF.
> That is because these ancient rules were written in the middle ages of
> digital signal technology.
>
> I will be happy to provide a examples of how the rules allow very
> wideband data bandwidth on HF, if you like.
>
> 73---Bonnie KQ6XA
>
>
>
>
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>
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>
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