PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/08-07:57:40
G01     38.7           12.9                0.7 +/-    0.73       2.0 +/-    0.73  0.160 / 0.360
G02     199.0          10.7               -1.8 +/-    8.02      -4.9 +/-    8.02  0.170 / 0.370
G06     172.8          42.1                6.5 +/-    1.62       9.2 +/-    1.62  0.080 / 0.160
G13     234.1          21.0                6.3 +/-    1.16      13.5 +/-    1.16  0.080 / 0.130
G15     266.8          11.4                4.5 +/-    2.23      12.1 +/-    2.23  0.190 / 0.310
G17     6.3            68.9               -1.9 +/-    0.59      -2.0 +/-    0.59  0.240 / 0.390
G19     289.3          71.8                5.6 +/-    0.56       5.9 +/-    0.56  0.040 / 0.030
G24     316.0          19.7                3.2 +/-    1.68       7.1 +/-    1.68  0.040 / 0.030
G28     66.1           51.8                4.8 +/-    0.51       6.0 +/-    0.51  0.160 / 0.320
G30     156.3          28.3                6.1 +/-    1.62      11.2 +/-    1.62  0.150 / 0.290