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NAQU type
NAQU type consists of Service /Signal identifier and NAQU category.
The following table show Service /Signal identifier and NAQU category.
| (Example) | Scheduled Outages notice of Satellite Positioning Services by delta-V operation | PNT_FCSTDV |
| Unscheduled Outages of L5-signal in Satellite Positioning Services | L5_UNUSUFN | |
| Unscheduled Outages end of L5-signal in Satellite Positioning Services | L5_UNUSABLE |
Service/Signal identifier
| Service | Service/Signal identifier | Explanation |
|---|---|---|
| Satellite Positioning Services | PNT | All signal of Satellite Positioning Services |
| L1CA | L1C/A signal | |
| L1CB | L1C/B signal | |
| L1C | L1C signal | |
| L2C | L2C signal | |
| L5 | L5 signal | |
| Sub-meter Level Augmentation Service | L1S | L1S signal |
| Centimeter Level Augmentation Service | L6 | L6D signal |
| Multi-GNSS Advanced Orbit and Clock Augmentation - Precise Point Positioning | MDC | L6D, L6E signal(MADOCA-PPP) |
| Satellite Report for Disaster and Crisis Management | DCR | L1S signal(DC Report) |
| Satellite Report for Disaster and Crisis Management（Extended Information） | DCX | L1S signal(DCX) |
| All services | ALL | All signal |
NAQU category
| NAQU group | NAQU category | Explanation |
|---|---|---|
| Forecast Outages | FCSTDV | Scheduled Outages notice by delta-V operation |
| FCSTMX | Scheduled Outages notice | |
| FCSTEXTD | Change of Scheduled Outages ( change end date to pending) | |
| FCSTSUMM | Scheduled Outages results | |
| FCSTCANC | Break of scheduled Outages | |
| FCSTRESCD | Change of Scheduled Outages | |
| FCSTUUFN | Scheduled Outages notice（Outages end is pending） | |
| Unscheduled Outages |
UNUSUFN | Unscheduled Outages notice |
| UNUSABLE | Unscheduled Outages results | |
| UNUNOREF | Unscheduled Outages results（No issue of UNUSUFN NAQU） | |
| Other | USABINIT | Initial notice of health |
| LEAPSEC | Insert a leap second | |
| LAUNCH | Satellite launch | |
| DECOM | End of Service Operation | |
| GENERAL | General text information |