[Boatanchors] [Milsurplus] Telegraph Distortion Analyzer

[Charles Ring]

65wpm is 60 with the stop bit shortened from 1.42 to 1. Same gears and 
everything else as 60.




On 4/21/2010 22:45, WA5CAB at cs.com wrote:
> Jeff,
>
> I think you will find, if you look at the nameplate again, that it is
> TDA-2.  AKA TS-917/GG or TS-1060/GG.
>
> Quoting from the Stelma instruction book, the TDA-2 can be jacked into the
> line and used to measure distortion in 20 or 60 mA neutral and 30 mA polar
> circuits running (depending upon the specific model you have) 60, 65, 66, 75
> and 100 wpm (the 65 may be a typo).  Types of distortion measured are:
>
> Bias (spacing and marking)
> Characteristic
> Fortuitous
> End (spacing and marking)
> Peak
> Mechanical
>
> You can use it to detect and ID bad segments or cams/contacts in TD's and
> keyboards, adjust repeaters, check various machines, and etc.
>
> I have several of them, a mix ot TDA-2's, TS-917's or TS-1060's, if anyone
> needs one.  Reprint of the TDA-2 manual $10.00 plus shipping.  I also have a
> NAVSHIPS and a TM 11 that I could scan if needed.
>    
>