For what it is worth... here are this morning's measurements, in the S
unit department, made on my well aged Kenwood TS-440, with a HP8640B
source. I didn't measure S1 as this is almost the resting point of the
meter.
Signal level (dBm) Meter Reading
-140 Minimum discernable signal (CW)
-100 S2
-87 S5
-78 S7
-73 S9 (note: right on the traditional 50uV point!)
-65 S9+10
-54 S9+20
-44 S9+30
-34 S9+40
-23 S9+50
-13 S9+60
73,
Marv WC6W
*
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