[Elecraft] Final Update To Keying Mod Change

Eric Swartz WA6HHQ - Elecraft [email protected]
Tue Apr 13 20:46:01 2004


One note - Most current rigs use closer to 3.3 dB per S unit. (My TS-950 tech 
manual even shows its calibration at this level!) I ran across this some time 
back when I was attempting to calibrate a  rig to do some antenna measurements.

73, Eric


Ron D'Eau Claire wrote:

> 
> If we use the common scale of 6 db per S-unit, if signal from a "stock" K2
> at someone's receiver is S9+10 db then the clicks 500 Hz away are just at
> S-zero. At 1 kHz from the carrier, the signal would have to be about S9+20
> db for the clicks to be as loud as S-zero. Using the conventional definition
> of 50 uV for an S-9 signal, an S9+20 db signal is putting a full 1/2 VOLT on
> the antenna terminals.