App: Heathkit Crystal and Band Plan frequency calculator

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This is a handy little portable app, avilable on our Android store.

Find that freq.

Incredibly useful even if you don't even use crystals.


Heathkit® HeathFreq (TM) helps you understand, choose, and design with crystals and work with frequency data.

Crystal features: Harmonic or overtone information is computed. Special features help users of piezoelectric crystals for electronics design and radio operating. This helps you find uses for your crystal collection effectively, and identify interesting frequencies.

Band plan data: Provides easy access to a large library of radio-frequency usage data. Find the frequency on each ham band for QRP, AM, SSTV... you name it.

Available for just $0.99 on the Heathkit Android store.


...and what a deal.

Available to you only from Heathkit®.


Order today. Click on "Android Store" link above.