PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-06:57:50
G02     60.3           31.1                2.4 +/-    0.88       4.2 +/-    0.88  0.030 / 0.030
G05     57.8           60.1                2.2 +/-    0.66       2.5 +/-    0.66  0.030 / 0.030
G12     186.0          34.2                5.6 +/-    1.08       9.0 +/-    1.08  0.100 / 0.220
G13     129.3          14.7                5.2 +/-    3.42      13.0 +/-    3.42  0.180 / 0.250
G15     163.0          12.3                3.0 +/-    6.56       8.0 +/-    6.56  0.060 / 0.100
G20     210.8          52.5                7.4 +/-    0.76       9.1 +/-    0.76  0.050 / 0.100
G21     271.2          18.1                5.1 +/-    1.42      11.9 +/-    1.42  0.040 / 0.060
G25     239.3          52.4                4.6 +/-    2.29       5.7 +/-    2.29  0.040 / 0.060
G29     328.6          54.7                2.3 +/-    0.44       2.8 +/-    0.44  0.090 / 0.080