PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-23:27:50
G10     267.3          38.5               11.9 +/-    1.20      17.8 +/-    1.20  0.120 / 0.140
G13     41.7           18.0                9.2 +/-    2.88      21.2 +/-    2.88  0.130 / 0.170
G15     61.5           51.6               10.2 +/-    0.95      12.6 +/-    0.95  0.040 / 0.030
G16     277.1          12.3               11.8 +/-    1.70      31.4 +/-    1.70  0.040 / 0.030
G20     270.2          33.8                7.3 +/-    0.84      11.8 +/-    0.84  0.160 / 0.300
G21     0.1            71.5               10.6 +/-    0.58      11.2 +/-    0.58  0.190 / 0.320
G24     118.6          14.5               12.6 +/-    2.44      31.8 +/-    2.44  0.230 / 0.440
G27     318.7          18.8                9.8 +/-    2.04      22.1 +/-    2.04  0.220 / 0.440
G29     168.4          32.1               11.6 +/-    0.99      19.5 +/-    0.99  0.060 / 0.090
G32     203.9          10.9              -11.4 +/-   32.50     -31.3 +/-   32.50  0.050 / 0.090