67141RE: [softrock40] Si570 calibration problems
- Jul 31, 2012
Actually swap the two numbers in the boxes. I always have a problem with that and it is not as it seems.
Tim Herrick, KQ8M
Charter Member North Coast Contesters
AR-Cluster V6 kq8m.no-ip.org
User Ports: 23, 7373 with local skimmer, 7374 without local skimmer
Server Ports: V6 3607, V4 Active 3605, V4 Passive 3606
I/Q is backwards .... I think.
Date: Wed, 1 Aug 2012 02:05:07 +0000
Subject: [softrock40] Si570 calibration problems
I have just finished a Mobo4.3 and am trying to calibrate the Si750. I have tried HDSDR and CNFGR with the same results. When I tune in WWV at 10.0Mhz my dial reading is 10.00592. When I enter 10.0 in the Real box and click on Calibrate, I find that WWV now shows up on 10.01184. This is a correction in the wrong direction (i.e. a sign problem). The I/Q channels seem to be correct. Am I missing something obvious? I have older Softrock RXTX v6.3 and that calibrated easily.
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