Amateur Radio Resources

Propagation Conditions



Weather Tools


Maps and Map Tools

Operating Tools



  • ICOM US grid square map
  • ICOM DX zone map
  • Amateur station locator using Maidhead Grid location .
  • Six place Maidenhead Grid locator
  • Azimuth map generator using Maidhead Grid location .
  • Signal Path Plotter
  • RBN DX Map
  • Amateur Radio RF safety calculator
  • Amateur Radio RF safety calculator
  • Coaxial Cable properties
  • Coaxial Cable properties
  • Magnetic loop antenna calculator
  • Dipole and full-wave loop antenna calculator .
  • Varieties of wire antennas
  • World Emergency Map
  • US Power Outage Map
  • Sherwood Labs receiver tests
  • ham band radio receivers

  • Band Alocations

    ARRL Band Plans

    FCC Frequency Allocations

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