[Elecraft] K-3 S-Meter

N2TK, Tony tony.kaz at verizon.net
Thu Mar 7 10:40:46 EST 2013


With this s-meter discussion I have a question -  I have my RF Gain control
set up so that I turn it counterclockwise till I see a one bar increase with
the s-meter. This puts the RF Gain control at about 3:00. The K3 "seems" to
handle strong signals a little better in the pileups. If I do this and do
the RF calibrate with the XG3, is it recommended to put the RF Gain control
at full gain (this is what I presently do), or leave the RF Gain control at
3:00?

I seem the to favor the discussion that when in absolute mode, the RF gain
control does not have any effect on the s-meter. There are so many things
that affect the received s-meter reading that I only ever use it as a
relative comparison meter.

And on a side note I do like the number of "great" and "clear" audio reports
I got at KP2M during last week's contest with the K3 with the Yamaha CM-500.

73,
N2TK, Tony

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Toby Pennington
Sent: Wednesday, March 06, 2013 5:53 PM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] K-3 S-Meter

 
The  

Re: [Elecraft] K3 S-Meter
drewko Wed, 06 Mar 2013 07:31:07 -0800 

Don,

I always seem to have my RF gain adjusted by ear to below where the s-meter
will deflect on a particular signal. So I will most always have to readjust
the gain to see an s-meter reading. The RF gain can be adjusted much lower
than the signal's meter deflection point but still have an audible signal. A
moderate strength signal can still be heard when the RF gain has been turned
down to the point where the s-meter incicates s9+40 db. The more I think
about it the less useful it seems to have the meter deflect upward with a
lowered RF gain setting. Does anyone find this action useful for tuning in a
signal? 

I know that I would be fiddling around with the RF gain control a lot less
if the s-meter display was not affected by the gain control. Why not make
the s-meter "absolute mode", which is independent of the attenuation
setting, also independent of the RF gain control? That seems more consistent
and logical to memore I think about it the less useful it seems to have the
meterdeflect upward with a lowered RF gain setting. Does anyone find
thisaction useful for tuning in a signal? I know that I would be fiddling
around with the RF gain control a lotless if the s-meter display was not
affected by the gain control. Whynot make the s-meter "absolute mode", which
is independent of theattenuation setting, also independent of the RF gain
control? Thatseems more consistent and logical to me 
 
 The more I think about it the less useful it seems to have the meter
deflect upward with a lowered RF gain setting. Does anyone find this action
useful for tuning in a signal? 

I know that I would be fiddling around with the RF gain control a lot less
if the s-meter display was not affected by the gain control. Why not make
the s-meter "absolute mode", which is independent of the attenuation
setting, also independent of the RF gain control? That seems more consistent
and logical to me
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