update wsjt-x homepage url

Author: jketterl

README.md

@@ -14,7 +14,7 @@ It has the following features:
 - supports a wide range of [SDR hardware](https://github.com/jketterl/openwebrx/wiki/Supported-Hardware#sdr-devices)
 - Multiple SDR devices can be used simultaneously
 - [digiham](https://github.com/jketterl/digiham) based demodularors (DMR, YSF, Pocsag, D-Star, NXDN)
-- [wsjt-x](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html) based demodulators (FT8, FT4, WSPR, JT65, JT9, FST4,
+- [wsjt-x](https://wsjt.sourceforge.io/) based demodulators (FT8, FT4, WSPR, JT65, JT9, FST4,
   FST4W)
 - [direwolf](https://github.com/wb2osz/direwolf) based demodulation of APRS packets
 - [JS8Call](http://js8call.com/) support

owrx/feature.py

@@ -428,7 +428,7 @@ def has_airspy_rx(self):
     def has_wsjtx(self):
         """
         To decode FT8 and other digimodes, you need to install the WSJT-X software suite. Please check the
-        [WSJT-X homepage](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html) for ready-made packages or instructions
+        [WSJT-X homepage](https://wsjt.sourceforge.io/) for ready-made packages or instructions
         on how to build from source.
         """
         return reduce(and_, map(self.command_is_runnable, ["jt9", "wsprd"]), True)