PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-16:57:40
G10     259.4          33.8               11.3 +/-    2.11      18.4 +/-    2.11  0.170 / 0.310
G13     45.9           23.4                8.4 +/-    1.21      17.1 +/-    1.21  0.180 / 0.330
G15     71.8           55.8                9.4 +/-    0.47      11.1 +/-    0.47  0.070 / 0.040
G16     286.8          14.1                8.1 +/-    1.74      20.5 +/-    1.74  0.050 / 0.040
G20     284.4          56.7               11.6 +/-    1.27      13.6 +/-    1.27  0.170 / 0.310
G21     351.8          67.9                9.6 +/-    0.89      10.2 +/-    0.89  0.130 / 0.350
G24     122.8          10.4               -7.1 +/-   46.40     -19.7 +/-   46.40  0.080 / 0.190
G26     260.6          11.3               10.4 +/-    7.63      28.2 +/-    7.63  0.070 / 0.200
G27     322.0          11.2               -4.1 +/-   33.88     -11.2 +/-   33.88  0.200 / 0.330
G29     166.2          38.7               14.2 +/-    1.31      21.2 +/-    1.31  0.130 / 0.250