[OZAPRS] Unknown Data transmission
Norm McMillan
njmcmillan at bigpond.com
Tue Nov 16 12:38:42 EST 2004
Robert Thirkettle wrote:
> Hi All
> It's probably an APRS beacon from somebody. Have you tried
> tuning a small amount each side to see if you can decode it? The problem
> is that TX only needs to be 50Hz off frequency and you will not decode
> the packet.
snipped...
Gday Robert et al,
This was a transmission that went on for 35 minutes or more! It had a
very repetitive sound (telemetery) and certainly wasn't an Aprs tx.
>> -----Original Message-----
>> From: ozaprs-bounces at marconi.ics.mq.edu.au
>> [mailto:ozaprs-bounces at marconi.ics.mq.edu.au] On Behalf Of Norm
McMillan
>> Sent: Tuesday, 16 November 2004 12:33 p.m.
>> To: OZAPRS
>> Subject: [OZAPRS] Unknown Data transmission
>>
>> G'day all,
>>
>> I'm hearing a data transmission of some sort just below the 40m APRS
>> transmission. APRS is 7.036.3 lsb on my FT107-M, the unknown signal is
>> at 7.036.0. The shift is apparently 200Hz.
>>
>> I've tried every mode on "multipsk" and cant resolve it.
>>
>> I can't remember if this list takes attachments, but I have a picture
of
>>
>> it from "Multipsk".
>> Anyone got a clue?
--
Norm, VK2XCI,
Voice of The Edge of The Outback.
QF27wd
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