Ham Radio Tools

Ham Radio Tools

10,000 - 50,000 downloads

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Amateur radio calculators for antenna length, Ohm's law, resonant frequency, grid square, and effective radiated power. The ERP calculator can be used to determine if an RF evaluation is required for a ham radio station and shows the PEP and ARP power with the entered parameters. The grid square calculator can convert an entered lat/long to grid square, or can use your GPS to find your current location and grid square.

Tags: calculator antenna.

Recently changed in this version

Option to buy ad free version


Comments and ratings for Ham Radio Tools
  • (67 stars)

    by Earl E. Corbett II on 05/06/2014

    Works as expected, a handy tool

  • (67 stars)

    by Chris Northcott on 02/06/2014

    Tried using the erp calculator with my qrpp setup, to find I can't enter values less than 1 watt. Antenna calculator only does dipoles. Has potential but nothing you can't already work out with a simple calculator.

  • (67 stars)

    by Peter Vouaux on 09/05/2014

    Great App, now I can find them Martians, and there Location. No one will Laugh at me now, I Have PROOF!!!!

  • (67 stars)

    by Mike Morley on 15/11/2013

    Excellent