js8call/.svn/pristine/3e/3e98940e889e418590856b33b293ef373ce9612e.svn-base
2018-02-08 21:28:33 -05:00

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=== Calibrating Your Radio
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=== Reference Spectrum
WSJT-X provides a tool that can be used to determine the detailed
shape of your receiver's passband. Disconnect your antenna or tune to
a quiet frequency with no signals. With WSJT-X running in one of the
slow modes, select *Measure reference spectrum* from the *File* menu.
Wait for about a minute and then hit the *Stop* button. A file named
`refspec.dat` should appear in your log directory.
[ ... more to come ...]