PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-19:43:00
G01     39.4           13.5               10.6 +/-    1.06      27.3 +/-    1.06  0.100 / 0.320
G02     199.6          11.6               12.3 +/-   16.95      33.3 +/-   16.95  0.070 / 0.370
G06     172.8          44.4               16.3 +/-    0.84      22.1 +/-    0.84  0.080 / 0.180
G13     234.5          19.4               16.0 +/-    1.07      35.8 +/-    1.07  0.110 / 0.150
G15     268.5          10.8               12.2 +/-    3.38      33.5 +/-    3.38  0.030 / 0.040
G17     3.6            68.8               14.2 +/-    0.55      15.1 +/-    0.55  0.040 / 0.030
G19     284.8          69.2               13.7 +/-    0.42      14.5 +/-    0.42  0.100 / 0.190
G24     314.9          22.9                9.9 +/-    0.80      20.2 +/-    0.80  0.080 / 0.190
G28     76.8           44.8               14.7 +/-    0.34      19.9 +/-    0.34  0.050 / 0.090
G30     155.5          23.5               14.8 +/-    1.85      30.0 +/-    1.85  0.050 / 0.070