Please help decode this audio file!

[Gary Chatters WA9ZZZ]

It was D-STAR data (according to someone, not me, who did manage to 
decode some of it).  There was no embedded callsign, so further efforts 
were required.

The source of the problem has been found and the interference has 
stopped.  It was a couple of users sending text files via D-Star.  They 
just happened to pick 146.400 MHz, the input to the 147.000 repeater.

The Ashton repeater has this problem from time to time, although it is 
usually analog FM users.  The ARRL band plan says simplex frequencies in 
the 146 range start at 146.40, but there are foot notes indicating local 
variations.

Locating the source of the problem resulted from piecing together bits 
of information and making a call to the right person who made another 
call.  Tracking the signal was being worked on, but the source was found 
by other means before being tracked.


73,
Gary
WA9ZZZ

On 03/23/2014 11:05 PM, Tom Azlin W7SUA wrote:
> Does not sound like D-STAR. D-STAR sounds like a 9600 bps packet signal
> with a very slight periodic ticking sound at the frame rate.
>
> Is this the output of a FM receiver?
>
> Sounds more like some sort of intermod given the bursts of what sounds
> like pager signals.
>
> 73, tom w7sua
>
> On 3/22/2014 4:01 PM, William "Bill" Kisse wrote:
>> The Ashton RCS 147.00 repeater has been hammered all day with what
>> appears to be users on the 146.40 input using digital mode.
>>
>> This does not appear to be P25 and may be D-Star.
>>
>> Can anyone help with decoding the attached digital audio file so we can
>> let these users know they are making the 147.00 repeater unusable?
>>
>> The audio file is attached.
>>
>> Many thanks.
>>
>> 73,
>>
>> Bill
>> WA3GJD
>> William "Bill" Kisse
>> 301-908-8279
> _______________________________________________
> Tacos mailing list
> Tacos at amrad.org
> https://amrad.org/mailman/listinfo/tacos
>