PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-17:27:50
G02     350.3          76.1                7.2 +/-    0.71       7.4 +/-    0.71  0.040 / 0.060
G05     162.4          38.7                8.6 +/-    0.91      12.9 +/-    0.91  0.050 / 0.060
G06     43.9           32.9                7.6 +/-    1.75      12.5 +/-    1.75  0.180 / 0.180
G12     283.6          81.2                6.9 +/-    0.94       7.0 +/-    0.94  0.140 / 0.240
G19     78.2           27.0                8.5 +/-    1.53      15.8 +/-    1.53  0.030 / 0.020
G24     222.4          18.2                6.1 +/-   17.23      14.0 +/-   17.23  0.020 / 0.020
G25     315.8          35.0                8.2 +/-    1.42      13.1 +/-    1.42  0.080 / 0.090
G29     289.6          10.9                0.4 +/-   25.43       1.0 +/-   25.43  0.070 / 0.100