PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-10:42:50
G02     210.4          49.0                7.1 +/-    1.28       9.1 +/-    1.28  0.070 / 0.080
G06     98.9           79.5                6.9 +/-    0.40       7.0 +/-    0.40  0.080 / 0.080
G12     315.3          28.9                4.9 +/-    1.56       8.7 +/-    1.56  0.070 / 0.150
G17     51.3           36.1                4.2 +/-    0.73       6.5 +/-    0.73  0.080 / 0.110
G19     22.7           57.4                6.0 +/-    0.31       6.9 +/-    0.31  0.030 / 0.020
G24     273.0          43.9                5.5 +/-    1.15       7.5 +/-    1.15  0.030 / 0.020
G28     115.5          21.7                6.9 +/-    1.72      14.6 +/-    1.72  0.040 / 0.040