[Elecraft] Well put!

Sun Nov 30 17:30:01 2003

John,

I respond off the reflector... Amen! The slight power difference equates =
to near zip in siqnal strength.=20

Bill=20
K9YEQ=20
K2, KX1

-----Original Message-----
   >From: "John C Ceccherelli" <[email protected]>
   >Sent: 11/29/03 11:12:01 AM
   >To: "[email protected]" <[email protected]>
   >Subject: [Elecraft] KX1 Power Measurement
   >
   >
   >
   >
   >
   >My KX1 (s/n 179) at 13.6 Volts puts out the following
   >
   >40M - 4.1 W
   >30M - 4.1 W
   >20M - 4.0 W
   >
   >With fresh alkyline batteries it's about 1.5 watts.  Maybe a tad =
lower on
   >20 M but I haven't put a scope to it.
   >
   >I have found that every watt meter I have is grossly inaccurate at =
some
   >part of the scale.  i.e, adjust it to be accurate at full deflection =
and
   >it's way off mid-scale etc.  If you have a calibrated oscilloscope =
or RF
   >voltmeter, you stand a better chance of know what your actual power =
output
   >really is.  Most people agree that the Oak Hills QRP wattmeter is =
accurate
   >but I don't have one so can't say from personal experience.
   >
   >I would suggest that if you're really hung up about power output, =
obtain or
   >borrow accurate equipment to make the measurement.  SWR/Wattmeters =
are
   >usually way off particularly at QRP power levels.
   >
   >N2XE
   >
   >John Ceccherelli
   >
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