[Elecraft] K3/100 TX problem on 20m

[dyno lab]

Do the TX gain parameter numbers have meaning such as dB or are they just relative numbers ?

73,
Hal
W7YNC


> On 03/05/2024 6:35 AM PST Michael Carter via Elecraft <elecraft at mailman.qth.net> wrote:
> 
>  
> Hi Paul,
> 
> Could you please post the TX gain parameters
> recorded by the K3 Utility at the 50 watt level
> for all bands?
> 
> If there is a significant difference in those gain
> parameter values between adjacent bands (say
> 30 and 17 meters) and the value on the 20
> meter band, that may be an additional clue.
> 
> The bandpass filter bank may be at issue here
> since you've checked the appropriate LPF.
> If there's a problem with the relay contacts
> on the relevant BPF or LPF section, that may
> also reduce the TX signal level and force
> an elevated TX Gain parameter value for that
> band.
> 
> Keith, WE6R has a checklist of steps to
> try when diagnosing low TX output power.
> I recall he said to contact support at elecraft.com
> for that document.
> 
> 73,
> Mike, K8CN
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