[R-390] Correct Ballast makes a difference 8^)

[Ray V.]

Phil, hold onto the 3TF4, it is used in the Collins KWS-1 SSB
transmitter and I'm sure someone with a KWS-1 may have a need for it at
some point.

73, Ray W2EC "http://w2ec.com/W2EC.html"

Phil Atchley wrote:

  > Hi.
  > Today the "correct" (3TF7) ballast arrived for my '67 EAC and the set is
  > happily perking along with it installed.  After installing it a visual
  > checked showed that it had only just a couple very small spots
glowing, same
  > as I'd expect to see in a properly working ballast.  The one that 
came in
  > the set (3TF4) was glowing a nice cherry red along the entire length
of it's
  > filament.
  >
  > In checking the tuning of the set, it doesn't appear to have made any
  > difference in overall performance or calibration.  That is about as I
  > expected as the voltage applied to the BFO/PTO was about 11.5 Volts,
not all
  > that low for two tubes in series. (I didn't check to see what it is 
now).
  >
  > Now, back to DXing with the set.
  >
  > ****************************************************
  > *  DXing WITH THE FOLLOWING EQUIPMENT.             *
  > *  RECEIVERS:                                      *
  > *    '67 EAC R-390A Military surplus.              *
  > *    YAESU VR-5000 Wideband, "DC to Daylight".     *
  > *    REALISTIC DX-392, KNIGHT-KIT R-100A.          *
  > *    Others that pass thru or are waiting repair.  *
  > *  Homebrewed Ant/Rig switchbox with filters/Amp.  *
  > *  ANTENNAS:                                       *
  > *    Coil Loaded 18.5 Meter Long Sloper.           *
  > *    Roof mounted Hustler 6BTV 6 band Vertical.    *
  > *    Scantenna Scanner antenna at 7 Meters high.   *
  > *  LOCATION: Merced, Central California.           *
  > *  COORDINATES: 37.18N  120.29W  CM97sh.           *
  > ****************************************************
  >
  >
  >
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