Amateur Radio Resources

Propagation Conditions

Signal Path Plotter

Space Weather

Space Weather propagation data summary

SolarHam Bulletins

Quick Guide to HF Propagation Using Solar Indices

Complete Space Weather report from NOAA

Space Weather report for the Emergency Community from NOAA


Real Time Lightning Map

Real Time Wind Map

Tropical Cyclone status Map

Severe Weather Watches

SkyWarn home page

On Line Radio ham band radio receivers

Scroll to the map at the bottom of the page. Click on a station, then click on the link in the pop-up.

Orbiting Links

Live status and location maps for OSCARs.

OSCAR Satellite Schedules.

International Space Station Schedules.

International Space Station frequencies.

Emergency Maps

This map provides a worldwide view of ongoing emergency situations.

This map shows worldwide cyber attacks.

Grid Square

Six place Maidenhead Grid locator

Azimuth map generator using Maidhead Grid location.

Amateur station locator using Maidhead Grid location.

Useful Tables and Calculators

Sherwood Labs receiver tests.

Amateur Radio RF safety calculator

Coaxial Cable properties.

Magnetic loop antenna calculator.

Band Alocations

ARRL Band Plans

FCC Frequency Allocations

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