PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-12:42:50
G08     268.2          19.3                3.3 +/-    1.95       7.3 +/-    1.95  0.030 / 0.030
G10     57.9           58.5                3.0 +/-    0.79       3.5 +/-    0.79  0.030 / 0.030
G11     312.5          16.6               -7.2 +/-   10.83     -17.2 +/-   10.83  0.060 / 0.050
G14     262.4          65.8                4.4 +/-    0.63       4.7 +/-    0.63  0.050 / 0.050
G18     312.6          32.8                2.3 +/-    0.90       3.8 +/-    0.90  0.170 / 0.290
G20     93.2           37.9                3.9 +/-    0.27       5.9 +/-    0.27  0.170 / 0.320
G21     153.4          14.1                4.5 +/-    2.77      11.3 +/-    2.77  0.080 / 0.190
G27     235.7          18.2                4.7 +/-    2.56      10.8 +/-    2.56  0.110 / 0.190
G31     180.6          25.7                4.8 +/-    2.41       9.2 +/-    2.41  0.140 / 0.390
G32     313.6          74.9                4.4 +/-    0.88       4.5 +/-    0.88  0.150 / 0.380