[Elecraft] Transverter calibration

W1GO (Joe) w1go at icloud.com
Sat Jun 23 18:41:21 EDT 2018


Alan,

I have the same issue; mine is off about 50Hz.  Not a huge deal but just enough to be annoying on VHF SSB and CW.  I do have the REFLOCK, EXTREF (10MHz GPSDO) and KTCXO-1; nothing left to add.  You are correct that you can’t adjust the offset once you’re in this configuration.  As I say, for me its “only” about 50Hz but its consistent.  I was gonna have to Elecraft team look at it in their lab the next time I send the rig in (if I send it in).  Aside from that I’m living with the 50Hz delta.

Joe
W1GO

> On Jun 21, 2018, at 6:35 PM, G4GNX <g4gnx at g4gnx.com> wrote:
> 
> I built a K3S a few months ago and I've installed the K144XV 2 metre transverter into it, along with the K144XV Ref lock option.
> 
> Although all of the main K3S calibration is OK, I find that the K144XV is about 200Hz off nominal frequency, certainly in the 144-146 MHz segment.
> 
> The manuals mention calibration being automatic, so I can't find any reference to adjustment where the frequency is incorrect.
> 
> Anyone any ideas how I can get the transverter on frequency across the band?
> 
> 
> 73,
> 
> Alan. G4GNX
> 
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