AIUB - Swiss Institute Of Navigation :: ION-CH
AIUB - Swiss Institute Of Navigation :: ION-CH
AIUB - Swiss Institute Of Navigation :: ION-CH
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GNSS: Current Situation<br />
GPS: Global Positioning System<br />
360<br />
26<br />
15<br />
13<br />
23<br />
14<br />
315<br />
22<br />
18<br />
10<br />
20<br />
32<br />
■ The current GPS constellation consists of<br />
31 active satellites from four different<br />
types.<br />
Ascending Node in deg.<br />
270<br />
225<br />
180<br />
135<br />
90<br />
28<br />
19<br />
21 24<br />
3 6 16<br />
29<br />
2<br />
4<br />
30 1<br />
12 5<br />
17<br />
11<br />
■ Available observations:<br />
45<br />
8<br />
7<br />
25<br />
31<br />
9<br />
27<br />
◆ code measurements (P1, P2, C1, C2 ∗ )<br />
◆ dual frequency carrier phase:<br />
L1C, L1P, L1N as well as<br />
L2C, L2D, L2S, L2L, L2X, L2P, L2N<br />
0<br />
0 45 90 135 180 225 270 315 360<br />
Argument of Latitude in deg.<br />
GPS constellation<br />
BLOCK IIA BLOCK IIR−A BLOCK IIR−B BLOCK IIR−M<br />
<strong>AIUB</strong><br />
Dach<br />
et al.: Moving from GPS to multi-GNSS - p. 3/23
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