[GreenKeys] Model 15 60 WPM Gears Wanted

[Charles Ring W3NU]

Doug Alderdice wrote:
> Hi gang,
>
> I have a Model 15 RO unit here that I acquired about a year ago and 
> have finally put power to.  I have discovered, though, that it is 
> geared for 75 WPM.  All my mechanical TTY is 60 WPM, so this "won't 
> play nice" with the other machines around here.  Well, I do have a 
> machine or two with a gear shift, but it's just easier if everything 
> can talk 60.

What commercial service was that 15RO used in? I had believed that the 
AP radio wire service upgraded from 60 to 75 circa 1970, but was told, 
maybe here, that they went to 67 and not 75. I ask because that wire 
service was a major user of 15RO's.