PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-16:12:50
G01     71.2           33.0               14.2 +/-    0.83      23.4 +/-    0.83  0.030 / 0.050
G07     137.3          31.4               14.4 +/-    1.75      24.6 +/-    1.75  0.030 / 0.040
G11     53.7           30.7               12.9 +/-    0.88      22.3 +/-    0.88  0.040 / 0.100
G13     274.7          37.7               13.4 +/-    1.22      20.3 +/-    1.22  0.040 / 0.080
G15     304.7          14.1                9.5 +/-    1.60      24.1 +/-    1.60  0.050 / 0.140
G17     232.6          68.1               14.0 +/-    1.15      15.0 +/-    1.15  0.060 / 0.130
G18     49.2           18.3               12.1 +/-    0.96      27.9 +/-    0.96  0.050 / 0.120
G19     223.8          39.1               13.8 +/-    1.23      20.4 +/-    1.23  0.040 / 0.120
G28     18.9           59.4               13.9 +/-    0.41      15.8 +/-    0.41  0.040 / 0.060
G30     135.2          62.7               13.9 +/-    0.44      15.4 +/-    0.44  0.030 / 0.050