[amsat-bb] SatPC32 Doppler Correction/Calibration?
david at rushtone.com
Wed Jun 21 00:59:14 UTC 2017
I'm trying to get the doppler correction/calibration set up for the
various birds before Field Day, but I'm just not making any tangible
I've got a pair of Yaesu FT-817ND rigs, and can successfully tune both
of them with SatPC32's CAT controls.
Following the directions for a two-rig calibration process, I've been
catching the XW-2* birds and can occasionally get the downlink
correction set to where I can hear myself on the downlink.
In a couple of cases I've made note of where that downlink calibration
was near mid-pass (the necessary correction changed constantly across
Then I go into the CAT menu, set the downlink correction to zero and the
uplink calibration to the opposite sign of the previously found downlink
correction at mid-pass.
For example on a recent pass of XW-2C I found a downlink correction of
-160 Hz was working well near mid-pass (I could hear myself) so I set
the uplink calibration to 160 Hz.
The "Upl. Calibr." window in the CAT pop-up says "160", and the grey box
above the uplink frequency in the main window also says "160".
I click on the "Change/Store Dataf File" button, then click on the
"Store" "Uplink Calibration" button on the next pop-up.
It says "The changings have been stored!" but the uplink calibration in
both the first popup and the main window are back to zero.
I click the X to close both pop-ups, and uplink correction in the main
window is still 0. I exit the program, restart it, select XW-2C, enable
CAT (C+) and the uplink calibration is still on zero.
What am I missing?
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