Table of Contents Amateur Radio Emergency Communications in the Community Amateur Radio Emergency Service (ARES) Radio Amateur Civil Emergency Service (RACES) Principles of Disaster Communication Working with Public Safety Officials and Agencies National Traffic System (NTS) Incident Command System (ICS) Message Handling Hurricane Intensity Scale The Emergency Radiogram ITU Phonetic Alphabet International Q Signals US Amateur Bands Amateur Radio Call Sign Numerical Prefixes Signal Reporting Communications Net Procedure CTCSS (PL) Tone Frequencies Packet Radio APRS (Automatic Position Reporting System) PSK (Phase Shift Keying) Radio Winlink 2000 Satellite Radio Antennas and Propagation H.F. Antenna Analysis Emergency Power Anderson Powerpoles D-Star Programming Echolink and IRLP Portable Antenna Systems