PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-02:57:50
G01     126.2          10.3              -10.0 +/-   35.20     -27.6 +/-   35.20  0.050 / 0.040
G07     46.6           69.8                5.6 +/-    0.56       5.9 +/-    0.56  0.050 / 0.030
G08     51.6           40.2                3.0 +/-    1.23       4.3 +/-    1.23  0.050 / 0.140
G09     174.8          34.5                5.9 +/-    1.15       9.5 +/-    1.15  0.060 / 0.070
G11     124.8          35.0                7.6 +/-    1.26      12.1 +/-    1.26  0.150 / 0.160
G13     321.0          11.4               -6.2 +/-   10.31     -16.6 +/-   10.31  0.160 / 0.190
G17     198.8          13.2                4.8 +/-    3.19      12.6 +/-    3.19  0.260 / 0.680
G23     160.9          10.2                4.2 +/-   13.65      11.7 +/-   13.65  0.210 / 0.270
G28     265.0          44.6                5.8 +/-    3.54       7.8 +/-    3.54  0.200 / 0.510
G30     325.8          55.8                4.7 +/-    0.59       5.5 +/-    0.59  0.240 / 0.470