[GreenKeys] Special Halloween Broadcast

Duncan Brown duncanancy at earthlink.net
Thu Oct 31 13:21:13 EDT 2019 

As someone on this list previously stated: "The great thing about 
standards is that there are so many to choose from!"

So you need to use the same standard that the people you want to 
communicate with are using.

My point was that to copy 1313/1483 shift, one will need a tuneable 
converter, like the Dovetron MPC-1000.

Duncan

On 10/31/2019 13:05, Alf Fisher wrote:
> 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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>>
>> 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
>>
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>> Please help support this email list: http://www.qsl.net/donate.html
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> ______________________________________________________________
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>
> 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
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