PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-01:28:10
G02     205.1          43.8               11.4 +/-    1.05      15.7 +/-    1.05  0.120 / 0.230
G06     145.7          75.8                9.3 +/-    0.79       9.6 +/-    0.79  0.130 / 0.300
G12     311.2          20.2                6.4 +/-    1.46      14.0 +/-    1.46  0.090 / 0.210
G17     39.5           47.0                5.0 +/-    0.41       6.5 +/-    0.41  0.110 / 0.180
G19     14.5           61.0                5.8 +/-    0.95       6.5 +/-    0.95  0.030 / 0.050
G24     289.9          40.7                5.5 +/-    0.72       8.0 +/-    0.72  0.030 / 0.060
G28     109.4          25.9                8.3 +/-    1.20      15.9 +/-    1.20  0.050 / 0.080