PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-00:12:40
G10     269.3          39.6               13.4 +/-    1.37      19.7 +/-    1.37  0.170 / 0.270
G13     40.9           16.6                7.4 +/-    2.05      17.7 +/-    2.05  0.150 / 0.250
G15     59.1           49.9                7.0 +/-    0.59       8.9 +/-    0.59  0.220 / 0.660
G16     275.5          11.6               10.5 +/-    1.69      28.4 +/-    1.69  0.220 / 0.500
G20     275.2          40.2               13.6 +/-    0.90      19.7 +/-    0.90  0.090 / 0.190
G21     4.8            72.7                9.7 +/-    0.55      10.1 +/-    0.55  0.110 / 0.200
G24     117.2          15.5               11.7 +/-    0.90      28.8 +/-    0.90  0.060 / 0.080
G27     317.8          20.3                9.7 +/-    2.46      21.1 +/-    2.46  0.060 / 0.070
G29     168.6          30.1               10.9 +/-    0.87      19.0 +/-    0.87  0.040 / 0.040
G32     204.1          12.6               14.5 +/-    4.14      38.1 +/-    4.14  0.040 / 0.040