[GreenKeys] Lorenz Lo15 - advice request!

[Ralph Irish]

When things got quiet while on a midnight Radio Watch, (midnight to 0700) we occasionally had 
'contests' to see if someone could drop a period in a zero while the carriage returned to the left 
margin. A few guys had developed a technique for this. It worked just fine, a zero on a particular 
space, and at or near the end of the line, an 'upshift' followed by a period ( . ) and then a CR, 
with high hopes that it would land inside the zero. 

A 'formula' was great until the Teletype repair guy did his routine maintenance and oiled everything 
and made other adjustments. Then, one had to start over to find the 'magic spots' to successfully 
drop the period inside the zero. 

Ralph - W8ROI 

- - - - - - - - 

From: "Jim Cooper" <jim.w2jc at gmail.com> 
To: "Mattis Lind" <mattislind at gmail.com> 
Cc: greenkeys at mailman.qth.net 
Sent: Friday, June 21, 2019 10:12:31 AM 
Subject: Re: [GreenKeys] Lorenz Lo15 - advice request! 

On 21 Jun 2019 at 11:07, Mattis Lind wrote: 

> 2. I made a little program in the 
> STM32 that send continous RY 
> characters and then a CR. After the 
> CR the next character would be 
> printed on the way back. Is this normal 
> and you need to insert a NUL after a 
> CR or is my machine to slow? 

back in the 50s when RTTY was used a lot, 
the standard protocol was to always send 
2 CRs followed by a LF at the end of each 
line just for that problem. 



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