PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-00:12:50
G01     310.1          32.2                6.8 +/-    0.67      11.5 +/-    0.67  0.090 / 0.090
G10     101.5          41.3                7.8 +/-    0.83      11.0 +/-    0.83  0.080 / 0.120
G11     288.4          26.4                9.3 +/-    1.28      17.5 +/-    1.28  0.040 / 0.050
G14     338.2          69.4                6.6 +/-    0.39       7.0 +/-    0.39  0.040 / 0.050
G18     283.9          49.4                8.3 +/-    1.62      10.6 +/-    1.62  0.050 / 0.070
G20     118.1          16.3                7.7 +/-    1.38      18.6 +/-    1.38  0.040 / 0.060
G22     308.1          20.7                5.3 +/-    1.43      11.5 +/-    1.43  0.310 / 0.340
G25     87.8           14.8                8.0 +/-    2.40      20.0 +/-    2.40  0.120 / 0.230
G31     167.2          60.8                9.5 +/-    0.64      10.7 +/-    0.64  0.130 / 0.230
G32     31.5           55.5                6.2 +/-    0.66       7.4 +/-    0.66  0.180 / 0.240