Tools, tables and references

Software, online services and quick-look tables.

Software and online tools

What operators use besides the radio.

Propagation prediction toolsForecasts and real-time maps.DX clusters, RBN and PSK ReporterFinding activity.Callbooks and lookupsWho is that station?Repeater directoriesFinding repeaters.

Quick reference

Tables and formulas to keep handy.

Amateur band chartThe bands and their ranges.Band plansHow the bands are divided by mode.Coax comparisonLoss and power by cable type.Wire gauge and fusingCurrent ratings.Formula sheetThe formulas an operator uses.GlossaryTerms from A to Z.