International Amateur Radio Union Region 3
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Last Updated: January 20, 2009

IARU Region 3 Monitoring System - Sample sound files

Any National society of IARU Region 3, can receive on request, an identification tape of the different modes of signals from Regional MS Coordinator.

A1B - Machine sent Morse   (251 KB) A3C - Slow speed Weather Fax   (174 KB) F1A-FSK - Frequency Shift Morse   (229 KB) F1B - Radio Teletype - Wide Shift   (309 KB) F3C - Weather Fax   (139 KB) M7B - Phase Modulated, multi-channel, also known as "Vocoder" system   (155 KB) PIC - Picollo Transmission   (127 KB) AXX - Naval System, also known as "Alligator"   (233 KB) OTHR - Over the Horizon Radar   (228 KB) PXX - Complex pulse position modulation system   (218 KB) T-SCAN - Traveling Ionosphere Sounder   (220 KB)

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