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Additional instructions for using the FreqCal procedure.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8140 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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Joe Taylor 2017-09-29 13:59:16 +00:00
parent e6f37b9028
commit 08e1c21d31
1 changed files with 7 additions and 2 deletions
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doc/user_guide/en/measurement_tools.adoc
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@ -27,11 +27,16 @@ of WWV at 2.500, 5.000, 10.000, 15.000, and 20.000 MHz, and CHU at
3.330, 7.850, and 14.670 MHz. Similar shortwave signals are available
in other parts of the world.
- In most cases you will want to start by deleting any existing file
`fmt.all` in the directory where your log files are kept.
- Enter `0.0` for both *Slope* and *Intercept* under _Frequency
Calibration_ on the *Settings -> Frequencies* tab.
- To cycle automatically through your chosen list of calibration
frequencies, check *Execute frequency calibration cycle* on the
*Tools* menu. _WSJT-X_ will spend 30 seconds at each frequency,
writing its measurements to the file `fmt.all` in the directory
where your log files are kept.
writing its measurements to file `fmt.all` in the log directory.
- During the calibration procedure, the radio's USB dial frequency is
offset 1500 Hz below each *FreqCal* entry in the default frequencies