USB dial (MHz): 0.136, 0.4742, 1.8366, 3.5926, 5.2872, 7.0386, 10.1387, 14.0956, 18.1046, 21.0946, 24.9246, 28.1246, 50.293, 70.091, 144.489, 432.300, 1296.500
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I've just finished work on my 200mW WSPR-beacon based on Arduino/AD9850 DDS/HD44780 LCD. All details like source-code, C-libraries, antenna design, schematics etc. can be downloaded from here:
For issues with this site, email the WSPRNET Admin Team or post to the site forum. Downloads and more information about WSPR program and the MEPT_JT mode, as well as other modes by Joe Taylor (K1JT), can be found at the WSJT Home Page.