PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-04:12:30
G07     325.2          55.2                3.5 +/-    0.41       4.2 +/-    0.41  0.030 / 0.040
G08     106.2          49.1                5.2 +/-    0.63       6.6 +/-    0.63  0.030 / 0.040
G09     187.9          77.8                4.8 +/-    0.57       4.9 +/-    0.57  0.060 / 0.050
G16     44.8           12.3                0.7 +/-    2.09       1.8 +/-    2.09  0.060 / 0.060
G23     153.7          51.2                5.1 +/-    0.62       6.3 +/-    0.62  0.080 / 0.240
G27     64.3           36.0                5.6 +/-    1.39       8.8 +/-    1.39  0.100 / 0.220
G28     231.7          22.4                4.6 +/-    2.83       9.6 +/-    2.83  0.030 / 0.020
G30     295.6          29.1                2.1 +/-    2.15       3.8 +/-    2.15  0.030 / 0.020