[GreenKeys] Special Halloween Broadcast

Thu Oct 31 13:05:41 EDT 2019

Duncan,

ISTR we also had standard low tones of 1275 /1445 that were intended to 
be a better fit within the audio passband of SSB rigs?

73

Alf
G3WSD

On 31/10/2019 16:56, Duncan Brown wrote:
> Jordan,
>
> Thanks for setting up this Halloween broadcast, but I'm afraid very 
> few people will be able to copy it due to your unique tone frequencies.
>
> Many (if not most) AFSK converters utilize fixed frequency filters for 
> demodulation. Even software programs, such as MMTTY, will not copy 
> your 1313/1483 Hz AFSK tones.
>
> Next time, it would be best to stick to the "standard" 170 Hz shift 
> tones of 2125/2295 Hz.
>
> Have fun,
>
> Duncan
> K2OEQ
>
> On 10/31/2019 12:20, Jordan Spencer Cunningham wrote:
>> A test message will be transmitted at the previously defined address 
>> (http://tty.nerdology.org:8000/livetty) approximately every 15 
>> minutes from now leading up to the broadcast for you to ensure your 
>> equipment is tuned accordingly. This is new to both you and me, and 
>> I'm using an unusual mark/space frequency. If it was't clear, 1313 
>> was chosen due to 13's association with all things odd and macabre to 
>> keep with the tradition of the holiday-- just a small detail to 
>> enhance today's experience purely for fun, though I fear it may be 
>> causing more angst than it is worth.
>>
>> I'm glad to receive any feedback to improve future broadcasts as I am 
>> clearly out of my league when it comes to radio and RTTY. And 
>> probably everything else.
>>
>> -
>> Jordan Spencer Cunningham
>> teletype.net <https://teletype.net>
>>
>>
>> On Wed, Oct 30, 2019, at 12:49 PM, Jordan Spencer Cunningham wrote:
>>> Correction! Mark frequency will be 1313 *Hz* with a 170 *Hz* shift 
>>> (1483 space). NOT MHz.
>>>
>>> Having worked in IT for years before I started dabbling in AFSK, I 
>>> naturally think in measures of MHz and GHz and absentmindedly used 
>>> MHz here.
>>>
>>> Most of you probably already knew what I meant, but I wanted to be 
>>> clear. Apologies.
>>>
>>> -
>>> Jordan Spencer Cunningham
>>> teletype.net <https://teletype.net>
>>>
>>>
>>> On Wed, Oct 30, 2019, at 9:49 AM, Jordan Spencer Cunningham wrote:
>>>> This Halloween, keep the oil in your machines warm by tuning in to 
>>>> a special news broadcast of astronomically thrilling proportions. 
>>>> It will be an adapted-for-teletype version of the original radio 
>>>> broadcast of /The War of the Worlds /from 1938, 81 years ago 
>>>> today. Tune in at 4:00 PM Mountain Time on October 31, 2019 
>>>> (tomorrow).
>>>>
>>>> There will be an audio stream in ITTY fashion here 
>>>> <http://tty.nerdology.org:8000/livetty>. Pipe the RTTY audio to 
>>>> your TU/demods and print it out on your heavy metal machines, or 
>>>> use a glass terminal such as fldigi, CocoaModem, or MMTTY. There 
>>>> will also be a live video of my TT-7/FG (U.S. military Model 19) 
>>>> printing the broadcast here 
>>>> <https://www.youtube.com/watch?v=mw-sWwXLiVA> for anyone who can't 
>>>> receive RTTY but wants to see a heavy metal machine in action.
>>>>
>>>> The broadcast will be between three and four hours long, but there 
>>>> will be breaks of radio silence in between many segments. 
>>>> Therefore, for heavy metal users, it is recommended to use an 
>>>> autostart feature if your equipment supports it.
>>>>
>>>> Mark frequency will appropriately be 1313.00 Mhz, 170 Mhz shift.
>>>>
>>>> Enjoy!
>>>>
>>>> -
>>>> Jordan Spencer Cunningham
>>>> teletype.net <https://teletype.net>
>>>>
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>>>
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>>>
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>>
>>
>> ______________________________________________________________
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>> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:GreenKeys at mailman.qth.net
>>
>> 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
>
> ______________________________________________________________
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> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
> 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 alffisher2 at gmail.com