| GPS |
L1 |
1575.42 |
15.345 |
BPSK |
Active |
Standard positioning frequency. |
| GPS |
L2 |
1227.60 |
11.0 |
BPSK |
Active |
Used for military and precise positioning. |
| GPS |
L5 |
1176.45 |
12.5 |
BPSK |
Active |
Advanced civilian safety-of-life signal. |
| GLONASS |
L1 |
1602.00 |
0.5 (FDMA) |
BPSK |
Active |
Standard positioning frequency with FDMA. |
| GLONASS |
L2 |
1246.00 |
0.5 (FDMA) |
BPSK |
Active |
Second standard positioning frequency. |
| Galileo |
E1 |
1575.42 |
15.345 |
BOC |
Active |
Open service frequency. |
| Galileo |
E5a |
1176.45 |
20.46 |
BPSK |
Active |
Safety-of-life services frequency. |
| Galileo |
E5b |
1207.14 |
20.46 |
BPSK |
Active |
Complementary to E5a for advanced services. |
| BeiDou |
B1 |
1561.10 |
4.092 |
BPSK |
Active |
Open service frequency for positioning. |
| BeiDou |
B2 |
1207.14 |
20.46 |
BPSK |
Active |
Used for precise positioning services. |
| LORAN |
Low Band |
90-110 |
0.025 |
Pulse |
Active |
Low-frequency system used for long-range navigation. |
| LORAN |
Medium Band |
160-190 |
0.025 |
Pulse |
Active |
Improved accuracy for regional navigation. |
| eLORAN |
Enhanced |
90-110 |
0.025 |
Pulse |
Active |
Modernized long-range navigation system. |
| OMEGA |
Low Band |
10.2 |
0.002 |
Continuous Wave |
Decommissioned |
Former low-frequency navigation system. |
