[Elecraft] Transmit Gain

[Roy Morris]

Greg,
Thanks for any help you can give me on this.  Yes, TX ALC is on.  I would 
appreciate any other suggestions you might have.  There is definitely 
something that is not right.  Thanks again, Greg.  Roy  W4WFB

----- Original Message ----- 
From: "Greg" <ab7r at cablespeed.com>
To: "Roy Morris" <w4wfb at carolina.rr.com>; <elecraft at mailman.qth.net>
Sent: Friday, March 21, 2008 8:49 PM
Subject: RE: [Elecraft] Transmit Gain


> Roy.  What do you have TX ALC set to.  It should be ON.
>
> Greg
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net]On Behalf Of Roy Morris
> Sent: Friday, March 21, 2008 6:16 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] Transmit Gain
>
>
> TX GN in the CONFIG menu first showed Pr80  32.  After re-doing the High
> Power (50W) TX Gain Calibration the TX GN entry now shows Pr80  35.  This
> entry updates itself.  Is it possible that a firmware update could affect 
> TX
> GN?  The TX GN entry in a new kit built K3 that had not been TX Gain
> calibrated showed 81 without the preceding Pr and without the number in 
> the
> thirties after the 81.  I don't know the significance of this.  All I know
> is that I still have low (half the peak power or less) SSB transmit gain.
> It takes 28 watts in tune to develop 1 Kw on my Alpha 99 (which has a peak
> reading meter), and it takes 70 watts to develop this same output on SSB. 
> I
> am well aware of the difference between average and peak readings and how
> they are derived.  The solution to this problem does not lie there.  My 
> Omni
> VII does not require additional power in the SSB mode to obtain 1 KW after
> the power has been set for linear tune-up.  I hope this can be corrected 
> in
> a future firmware upgrade.  Roy Morris  W4WFB K3 #323
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