PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-15:42:40
G01     109.0          23.7                9.6 +/-    1.47      19.4 +/-    1.47  0.030 / 0.050
G07     106.1          55.3               10.5 +/-    0.68      12.4 +/-    0.68  0.030 / 0.060
G08     42.3           23.7                7.6 +/-    0.92      15.4 +/-    0.92  0.040 / 0.070
G09     176.1          17.5               10.4 +/-    1.66      24.4 +/-    1.66  0.040 / 0.070
G11     91.8           43.2                9.9 +/-    0.63      13.7 +/-    0.63  0.040 / 0.080
G13     311.2          27.9                9.0 +/-    1.44      16.5 +/-    1.44  0.040 / 0.080
G17     204.3          33.6               11.3 +/-    0.75      18.4 +/-    0.75  0.070 / 0.180
G18     81.9           23.6                8.1 +/-    0.96      16.3 +/-    0.96  0.070 / 0.160
G28     302.3          57.9                8.7 +/-    0.64      10.0 +/-    0.64  0.060 / 0.100
G30     27.7           77.5               10.2 +/-    0.87      10.5 +/-    0.87  0.060 / 0.100