[GreenKeys] Answerback formats

Fri Sep 6 05:50:52 EDT 2019

The international recommendation by ITU how to program an answerback code
can be found here:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwiJxNyl9bvkAhVJZ1AKHeUIAisQFjAAegQIARAB&url=https%3A%2F%2Fwww.itu.int%2Frec%2Fdologin_pub.asp%3Flang%3Ds%26id%3DT-REC-S.6-198811-I!!PDF-E%26type%3Ditems&usg=AOvVaw01PSzEcpoflN-Y8iuKP395

It's a Google link. Hope it works....

Henning DF3OE
i-Telex: 925302 TREU D

www.i-telex.net

Am Fr., 6. Sept. 2019 um 11:38 Uhr schrieb Russ Miller <wa3frp at gmail.com>:

> In the North American version of Answerback formats (Canada & USA) there
> was CR LF and both beginning and end of the message.  The format also
> included a mnemonic of the company name followed by a mnemonic for the city
> location of the Telex machine.  CGO for Chicago, ATL for Atlanta.  Smaller
> cities used a four letter mnemonic.  For example, Cherry Hill NJ was CHIL.
>
> Russ Miller WA3FRP
> I-Telex 834328 WUTMPAM CHIL
>
>
> Sent from my iPhone
>
> On Sep 6, 2019, at 4:49 AM, Alf Fisher <alffisher2 at gmail.com> wrote:
>
> Hi Paul,
>
> My first thought was exactly as you say but when I was setting up my Creed
> 444 on i-Telex, I was advised by Henning DF3OE that CR/LF/LTRS should be
> the first three characters in the A/B sequence as what ever happens, the
> machine will start printing the A/B message on a new line.  I only have
> spaces for 20 characters and you have to be careful to make your A/B code
> fit within that number.
> Regarding sensors, I don't know what sensors would provide outputs on a US
> Teletype machine - that is a question for some knowledgeable GK guys to
> answer.
> For British Creed machines, the motor would have to be running for the WRU
> code to be recognised but there is an output to acknowledge that the motor
> is running and on speed and there is another to 'say' there is paper tape
> available.
> There doesn't appear to be an output to say there is roll paper present.
> So hope that answer you question.
>
> Not so much in the US but in UK and Europe it grips me when people talk
> about a Teletype machine when they mean a teletypewriter or teleprinter.
>
> The same problem exists when talking about vacuum cleaners and saying
> Hoover when they are talking about a Dyson or one of some other
> manufacturer.  I once worked with a guy who used to work for Hoover and he
> told me of a person who called to report a fault with their hoover when it
> turned out to be an Electrolux vacuum cleaner.  He used to say to them, why
> don't you get a Hoover hoover and be done with it!
>
> I'll get my coat!
> Cheers,
> Alf / G3WSD
> i-Telex 851515
> SIGSMUS G
>
>
> On 06/09/2019 04:37, ad7i wrote:
>
> I hope that members of the list can help me with some questions about TTY
> answerbacks.
>
> Did the answerback text that was transmitted by a TTY in response to WRU
> include a CR/LF sequence at the end of the answerback ?
>
> Also, what sensors in the TTY had to be in the "good to go" state in order
> for the answerback to be transmitted?  I'm guessing the "paper present"
> would be once sensor.  Were there typically other sensors as well?
>
> Paul Newland, ad7i
>
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