PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-01:43:10
G08     301.7          22.1                7.1 +/-    2.16      14.9 +/-    2.16  0.080 / 0.080
G10     347.8          61.9                7.5 +/-    0.70       8.3 +/-    0.70  0.080 / 0.090
G14     222.7          36.5               13.8 +/-    2.49      21.3 +/-    2.49  0.060 / 0.130
G20     347.4          64.2                9.9 +/-    0.51      10.8 +/-    0.51  0.070 / 0.120
G21     141.0          50.7               11.5 +/-    0.92      14.3 +/-    0.92  0.030 / 0.030
G24     63.8           27.9                7.2 +/-    0.59      13.2 +/-    0.59  0.040 / 0.040
G27     265.3          35.6               11.3 +/-    1.56      17.8 +/-    1.56  0.060 / 0.100
G32     231.8          61.7               11.3 +/-    1.03      12.6 +/-    1.03  0.070 / 0.090