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Transmission Modes WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V9.1.0
Geographical area header block code
Purge time header code block
Original dissemination time header block (Julian date, UTC)
Message originator header block
The area-code (PSSCCC) is divided into state, county and subpart-code, the dissemination date is divided
into day, hour and minute.
If the message originator (LLLLLLLL) is a NWS office, the ICAO location identifiers are used, e.g.,
KDTX/NWS. If the message is a re-broadcast, the call sign of the broadcast station is used, e.g., KFAB/AM
or WDAF/FM.
ORG – Originator Codes
Broadcast station or cable system
National Weather System or Meteorological Service of Canada
Primary Entry Point System
EEE - EAS Event Codes
Emergency Action Notification*
Emergency Action Termination*
National Information Center*
Network Notification Message**
National Information Center
Child Abduction Emergency
Hazardous Materials Warning
911 Telephone Outage Emergency
Nuclear Power Plant Warning
Radiological Hazard Warning