WSPR 160M - 20M. FOR QRP / WSPR / FT8 & OTHER POSSIBLY INTERESTING FREQUENCIESFOR HAM / ELECTRONICS HOBBYISTS. QUARTZ CRYSTALOSCILLATORS. 30 Quartz Crystals all together. 3.579 MHz, 3.680 MHz, 20 MHz, 28.6363 MHz ARE ALL LOW PROFILE.
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