PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-02:58:00
G02     60.3           31.7                7.2 +/-    2.30      12.2 +/-    2.30  0.060 / 0.080
G05     56.9           59.6                8.0 +/-    0.57       9.2 +/-    0.57  0.100 / 0.090
G12     184.7          32.4               10.4 +/-    1.14      17.4 +/-    1.14  0.290 / 0.490
G13     128.4          15.2                9.8 +/-    2.09      24.3 +/-    2.09  0.160 / 0.370
G15     163.5          12.3                9.0 +/-    5.45      23.8 +/-    5.45  0.180 / 0.460
G20     217.9          20.0               12.8 +/-    2.75      28.2 +/-    2.75  0.180 / 0.270
G21     271.2          17.1               12.4 +/-    1.76      29.2 +/-    1.76  0.190 / 0.400
G25     238.0          51.9               10.9 +/-    2.31      13.4 +/-    2.31  0.140 / 0.360
G29     327.9          54.0                7.8 +/-    0.74       9.4 +/-    0.74  0.030 / 0.040