PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-17:12:50
G01     92.6           31.3               11.9 +/-    0.85      20.3 +/-    0.85  0.020 / 0.030
G07     123.6          47.6               12.0 +/-    1.01      15.5 +/-    1.01  0.020 / 0.030
G08     42.3           10.2                9.3 +/-    2.56      25.8 +/-    2.56  0.030 / 0.060
G11     71.4           40.8               11.2 +/-    0.62      16.1 +/-    0.62  0.050 / 0.070
G13     296.8          35.3               12.7 +/-    0.72      20.0 +/-    0.72  0.040 / 0.090
G17     213.5          49.6               13.8 +/-    0.95      17.5 +/-    0.95  0.040 / 0.070
G18     66.0           24.3               10.0 +/-    0.83      19.9 +/-    0.83  0.150 / 0.370
G19     214.0          23.3               14.2 +/-    0.77      28.8 +/-    0.77  0.080 / 0.400
G28     345.2          61.8               10.4 +/-    0.50      11.6 +/-    0.50  0.040 / 0.060
G30     96.7           77.3               11.5 +/-    1.25      11.8 +/-    1.25  0.030 / 0.070