[Milsurplus] Comparison of Navy vs Army Air Corps equipment

[WA5CAB at cs.com]

Virtually all of the WW-II vintage low and medium powered HF transmitters 
were relay keyed.  And by default were capable of full break-in operation, which 
the majority of the civilian and ham-hacked stuff wasn't.  

In a message dated 7/2/2006 7:19:37 PM Central Daylight Time, w8au at sssnet.com 
writes: 
> >>Ken - Good run down. Wasn't the TCS keyed by relay and as such made a
> >>very slow speed and poor CW transmitter / receiver combination?
> >
> >Yes. I was thinking of mentioning that I don't remember many TCSs
> >being used on CW, but almost all the ARC-5 transmitters I remember
> >were...but they all, without exception, had been "modified" for cathode
> >keying.
> 
> Right on about the "ham modifications" eliminating the keying relays.
> 
> But the TCS was not "very slow speed and poor CW."  It will do 25 wpm 
> and more with a bug and still not show any evident shortening of 
> characters, and most all have hard, but chirpless, keying.  The only 
> thing lacking was/is a sidetone.

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