Amateur Radio Resources

Propagation Conditions



Weather Tools

Map Tools

Antenna Tools

  • ICOM US grid square map
  • ICOM DX zone map
  • Six place Maidenhead Grid locator
  • Azimuth map generator using Maidhead Grid location
  • Amateur station locator using Maidhead Grid location
  • Earth's Surface Maps and Tools

    Signal Path Plotter

    Tables and Calculators

    Sherwood Labs receiver tests. ham band radio receivers

    Amateur Radio RF safety calculator

    Coaxial Cable properties.

    Magnetic loop antenna calculator.

    Dipole and full-wave loop antenna calculator.

    Varieties of wire antennas.

    Band Alocations

    ARRL Band Plans

    FCC Frequency Allocations

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