Record and play back 80KHz of your favorite h-f band.

FS: Expanded Spectrum "Time Machine" ready to go on 40-30-20-15-10M, with
90MHz Flash Crystal, LO1, Daughter Board, 9 xtals, RS-232 programming cable,
wallpig.

See:
http://www.expandedspectrumsystems.com/
http://www.expandedspectrumsystems.com/prod4.html
http://www.expandedspectrumsystems.com/prod2.html

$150 or near offer.

73 Dave N3HE