[CW] Re: [MT63] WINLINK 2000 / PACTOR PESTS

[karl larsen]

    Hi Brian, when we get on with MT63 with our 1000 Hz frequency 
footprint I can hear pactor operators wishing the ARRL would control the 
wide band noise from MT63! It depends what your doing.

karl


Brian Carling wrote:

>Dear ARRL CEO, David Sumner,
>
>Recently, the WINLINK PROMOTERS/PROPONENTS asked that all their Winlink users write 
>to the ARRL to keep their annoying Winlink wideband (Pactor 3) operations on the 
>30 meter band. 
>
>The ARRL had wisely recommended the deletion of such operations on that band for 
>US licensed Amateurs. 
>
>After some pressure from that small group, and as a result, the ARRL 
>Executive Committee rescinded their original recommendation to delete 
>wideband digital operations on 30 meters.
>
>Please stop this annoying source of QRM from all over the HF bands!
>They NEED to be restricted and contained, NOT expanded down into our precious 
>CW sub-bands and onto the 30 meter band.
>
>I am requesting:
>
>1. That their bandwidth space NOT be expanded for digital modes greater than 500 Hz, 
>and that robot, "semi-automatic" operations NOT be allowed outside the current 
>sub-bands. Semi-automatic (robot) UNATTENDED operations are always initiated by 
>human beings who are supposed to be listening before they transmit. However, 
>they cannot hear both ends of the conversation and they have NO idea how much 
>QRM they are causing, as has been documented in numerous complaints to Riley 
>Hollingsworth, by CW ops, and other digital mode stationms that have been impacted.
>
>2. The track record shows how ineffective any interference mitigating 
>steps have been by WINLINK / PACTOR stations over the past few years,
>and because so-called "sophisticated signal detection" usually CANNOT hear 
>nearby stations on HF, that WINLINK be further restricted to narrower sub-bands or 
>taken off the HF bands below 30 MHz entirely. It is a false premise to say that 
>QRM can be avoided by those initiating the connection listening carefully before 
>they transmit. Those of us who have observed these robot stations and their BAD 
>behavior on HF know first hand about the ineffectiveness of this method.
>
>3. Use of Winlink 2000 for many of the users, is primarily as a means of 
>avoiding commercial internet charges for access via satellite from remote locations.
>
>4. I am sorry that ARRL has promoted WINLINK so much when it is a bandwidth hog and
>a nuisance to many of the users of other modes, both digital and analog.
>
>5. The HF bands are NOT suitable to crowding in a few very wide modes.
>Voice modes may be digitized within a signal that is only a few kHz wide,
>and there are other digital modes that are just as effective as WINLINK 2000
>yet do not cause careless QRM or eat up huge slices of bandwidth.
>Please help to put it on VHF and UHF where it belongs.
>
>Sincerely,
>
>Brian Carling, AF4K
>
>CC: ARRL Division Directors:
>Frank M. Butler Jr, W4RH
>Sandy Donahue, W4RU
>
>
>
>
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