PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-04:27:30
G01     118.6          18.1                7.1 +/-    1.43      16.4 +/-    1.43  0.200 / 0.350
G07     85.3           64.6                5.7 +/-    0.95       6.2 +/-    0.95  0.280 / 0.370
G08     43.9           28.5                3.8 +/-    2.28       6.9 +/-    2.28  0.030 / 0.020
G09     175.0          23.1                5.3 +/-    1.37      10.8 +/-    1.37  0.040 / 0.030
G11     103.7          40.4                6.5 +/-    0.53       9.5 +/-    0.53  0.030 / 0.030
G13     317.2          20.3                2.3 +/-    1.86       5.0 +/-    1.86  0.030 / 0.030
G17     200.6          27.6                6.9 +/-    1.53      12.7 +/-    1.53  0.060 / 0.060
G28     290.7          56.4                4.3 +/-    1.11       5.0 +/-    1.11  0.050 / 0.050
G30     344.1          68.1                4.9 +/-    0.66       5.2 +/-    0.66  0.150 / 0.130