[GreenKeys] copying RTTY off the air

[Duncan Brown]

Go to   http://www.websdr.org/

You can pick a SDR anywhere in the world

Duncan
K2OEQ

On 04-May-20 21:49, kn7sfz wrote:
> Can anyone recommend a good websdr receiver so those of us on the left 
> coast can listen to those RTTY sigs booming into the eastern seaboard?
>
> Thanks in advance.
>
> Richard de kn7sfz with S9+ HF noise floor.
>
> On 5/4/2020 6:37 PM, Duncan Brown wrote:
>> Russ, you beat me to it!  I was just about to mention DWD, also. DDK9 
>> on 10.1009 comes in strong in the afternoon here in western NY state.
>>
>> Don't be put off by the fact that they are running 50 baud. Your 45 
>> baud machine will copy it fine! (you can turn your Range control down 
>> some, but it won't make a lot of difference.)
>>
>> The shift is more of a problem - you won't be able to copy them with 
>> 170 Hz filters. But set for 850 Hz shift, most TUs will copy OK if 
>> they have a linear detector. Don't have to put up with any QRM on 
>> DDK9. (My ST-6 came with a 425 Hz filter.)
>>
>> Have fun,
>>
>> Duncan
>> K2OEQ
>>
>>
>>
>> On 04-May-20 21:11, Russ Miller wrote:
>>>
>>> One regular service transmitting RTTY meteorological information is 
>>> the German Meteorological Service (Deutscher Wetterdienst or DWD) 
>>> <http://www.dwd.de/>. The DWD regularly transmit two programs on 
>>> various frequencies on LF 
>>> <https://en.wikipedia.org/wiki/Low_frequency> and HF 
>>> <https://en.wikipedia.org/wiki/High_frequency> in standard RTTY 
>>> (ITA-2 alphabet). The list of callsigns, frequencies, baud rates 
>>> <https://en.wikipedia.org/wiki/Baud> and shifts are as follows:^[
>>>
>>> Callsign     Frequency     speed/shift
>>> DDH47     147.3 kHz     50 baud/85 Hz
>>> DDK2     4583 kHz     50 baud/450 Hz
>>> DDH7     7646 kHz     50 baud/450 Hz
>>> DDK9     10100.8 kHz     50 baud/450 Hz
>>> DDH9     11039 kHz     50 baud/450 Hz
>>> DDH8     14467.3 kHz     50 baud/450 Hz
>>>
>>>
>>> The DWD signals can be easily received in Europe, North Africa and 
>>> parts of North America.
>>>
>
>
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to duncanancy at earthlink.net