[GreenKeys] 20 M RTTY

[Duncan Brown]

Thanks for the info, John!
That's why it sometimes sounded like RYs, but I couldn't tune it in!
73,

Duncan
K2OEQ

On 19-Sep-15 11:10, John Vendely wrote:
> This is the Russian Navy 7-bit synchronous system known colloquially 
> as "36-50".  It has a 36 baud phasing sequence (sometimes mistaken for 
> RYs) followed by a preamble, then encrypted synchronous data. 50 baud 
> with 250 or 500 shift seems the most common, though others are 
> occasionally heard.  They sometimes send operator chat or ID's using 
> FSK morse for short periods.  These transmissions are all over the HF 
> bands, and the Russians seem to place them more or less wherever they 
> please.  I have a decoder for this mode, but have never observed any 
> traffic in the clear.
>
>
>
> 73,
>
> John K9WT
>
> On 9/19/2015 9:59 AM, Duncan Brown wrote:
>> This week's ARRL Bulletin has an article on  intruders in the amateur 
>> bands.  One of them is
>>    "In addition the Russian Navy was reported active frequently on 
>> 14.192.0 MHz using FM CW."
>>
>> I definitely heard RTTY on that frequency and also around 14.180. It 
>> sounded like a RY test tape.  But later, when I had access to FSK 
>> equipment, I couldn't tune it in.  If the signal is too weak to copy 
>> well at your QTH, try WEBSDR.org for access to a Software Defined 
>> Radio at various QTHs around the world.
>>
>> Report any intruders in the Amateur Bands to the ARRL Intruder Watch 
>> program - http://www.arrl.org/intruder-watch - or your regional IARU 
>> Monitoring System.  Vigilance Always!
>>
>> 73,
>>
>> Duncan
>> K2OEQ
>>
>> On 14-Aug-15 09:32, Larry wrote:
>>> Listening this morning on 14,193.9 LSB to what sounds like a 50 baud 
>>> 500 cycle shift.  Can't get enough to do much with but it's coming 
>>> from about the 10 degree east of north heading from me here in 
>>> Arizona. Possibly someone on the east coast or Europe can do better 
>>> with it.  It's continuous so it's not an amateur station.
>>>
>>> Anyone do anything with it?
>>>
>>> Larry
>>> W0OGH
>>>
>>> ______________________________________________________________
>>
>>
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>
>
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