Purpose:
Monitor those frequencies allocated exclusively to the Amateur Service and Log (for statistical purposes), Identify (where possible) and take measures to have removed all Non-Amateur signals detected in the amateur bands.
Organisation:
National Society Monitoring Services, in addition to any national activity, supply data on "intruding" signals to their IARU Regional Coordinator.
Coordinators:
New Zealand: Len Martinson ZL1BYANew Zealand. Email:
Region 1: Wolfgang Hadel, DK2OM, Germany. Email:
Region 1 Web Site http://www.iarums-r1.org
Region 2: William Zellers, WA4FKI, USA. Email:
Region 2 Web Site http://www.iaruregion2.org/
Region 3: B.L. MANOHAR, VU2UR, India Email:
Region 3 Web Site: http://www.jarl.or.jp/iaru-r3/ms/r3msnl.htm
Reporting:
Reports on 'Intruders' should be sent to the National Coordinator in the country of the person reporting. Where a coordinator has not been appointed, reports may be sent to the Regional Coordinator.
Signal Types:
A short sound bite of various 'intruder' types signals may be heard by selecting the appropriate button below. These are a few samples of some of the many strange sounds to be found, from time to time, in the amateur bands.
A1B - Machine sent Morse- A3C - Slow speed Weather Fax
- F1A-FSK - Frequency Shift Morse
- F1B - Radio Teletype - Wide Shift
- F3C - Weather Fax
- M7B - Phase Modulated, multi-channel, also known as "Vocoder" system
- PIC - Picollo Transmission
- AXX - Naval System, also known as "Alligator"
- OTHR - Over the Horizon Radar
- PXX - Complex pulse position modulation system
- T-SCAN - Traveling Ionosphere Sounder
