[Elecraft] P3 S Unit Measurement

[Alan Bloom]

On Fri, 2011-01-14 at 10:10 -0500, Roy Morris wrote:
> I have noticed the signal strength in S units on the P3 is lower than the S meter (in peak mode) on the K3.  Is this normal?  Thanks.  Roy Morris  W4WFB

It depends on how much lower.  It ought to be within an S-unit or so.

If it's an older K3 that does not have the IF output modification, then
the P3 would read low by 10 dB-ish (a couple S-units).
http://www.elecraft.com/K3/mods/IF_Output_Buffer_Gain_Mod_Rev_A.pdf

You can calibrate the P3 amplitude so it matches the K3 using the menu
item MENU:Lvl Cal.

Alan N1AL