Spectrum · RF Spectrum Band
GPS L1
1575.42 MHz
The primary civil GPS carrier frequency, broadcasting the legacy C/A code and the modernized L1C civil signal from every GPS satellite. Publicly specified in the GPS Interface Specifications maintained by the U.S. Space Force.
The primary civil GPS carrier frequency, broadcasting the legacy C/A code and the modernized L1C civil signal from every GPS satellite. Publicly specified in the GPS Interface Specifications maintained by the U.S. Space Force.
Band facts
| Field | Value |
|---|---|
| Frequency | 1575.42 MHz |
| System | GPS (USA) |
| Category | GNSS — Global Navigation Satellite System |
| Band class | UHF |
| ITU region | Global — satellite radionavigation allocation, all three ITU Regions |
| Standard | IS-GPS-200 (L1 C/A, L1C) |
Why this band matters
The most-searched, most-used civil GNSS frequency and the frequency targeted by the overwhelming majority of commercial GNSS jamming and spoofing devices — the reference point for nearly all public GNSS-interference discussion.
Sources
Standards & authorities
- IS-GPS-200 (L1 C/A, L1C)
Related in spectrum
Frequently asked
What frequency is GPS L1?
GPS L1 operates at 1575.42 MHz. The primary civil GPS carrier frequency, broadcasting the legacy C/A code and the modernized L1C civil signal from every GPS satellite. Publicly specified in the GPS Interface Specifications maintained by the U.S. Space Force.
Why does the GPS L1 band matter?
The most-searched, most-used civil GNSS frequency and the frequency targeted by the overwhelming majority of commercial GNSS jamming and spoofing devices — the reference point for nearly all public GNSS-interference discussion.