PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/03-21:43:00
G01     127.1          11.1               -9.0 +/-   39.23     -24.6 +/-   39.23  0.040 / 0.030
G07     62.9           67.3               10.3 +/-    0.46      11.1 +/-    0.46  0.020 / 0.030
G08     49.8           38.2                9.4 +/-    1.04      14.1 +/-    1.04  0.110 / 0.000
G09     178.4          37.2               11.8 +/-    1.10      18.0 +/-    1.10  0.090 / 0.070
G11     116.9          35.7               11.8 +/-    0.61      18.4 +/-    0.61  0.110 / 0.090
G13     321.0          11.9               -7.4 +/-    6.13     -19.7 +/-    6.13  0.060 / 0.080
G17     198.8          16.0               12.2 +/-    4.21      29.5 +/-    4.21  0.060 / 0.090
G18     100.7          16.4               10.5 +/-    1.60      25.2 +/-    1.60  0.130 / 0.230
G28     271.5          49.9               11.0 +/-    2.33      13.9 +/-    2.33  0.110 / 0.280
G30     332.3          60.3                8.6 +/-    0.38       9.7 +/-    0.38  0.050 / 0.060