PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-00:12:50
G01     48.0           23.9               12.5 +/-    1.48      25.1 +/-    1.48  0.060 / 0.110
G06     177.8          27.2               21.8 +/-    2.18      40.6 +/-    2.18  0.070 / 0.090
G07     147.2          10.4               20.0 +/-    1.39      55.3 +/-    1.39  0.030 / 0.050
G11     44.7           15.0               10.5 +/-    4.20      26.1 +/-    4.20  0.030 / 0.050
G13     248.4          28.8               17.9 +/-    1.95      32.1 +/-    1.95  0.020 / 0.020
G15     280.6          15.4               14.7 +/-    2.57      36.2 +/-    2.57  0.020 / 0.030
G17     311.2          77.3               15.4 +/-    0.38      15.8 +/-    0.38  0.030 / 0.030
G19     251.5          61.9               16.4 +/-    0.64      18.3 +/-    0.64  0.030 / 0.030
G28     57.2           51.4               14.4 +/-    0.84      17.8 +/-    0.84  0.240 / 0.320
G30     150.1          35.8               18.3 +/-    0.89      28.6 +/-    0.89  0.180 / 0.310