PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-05:42:40
G01     100.0          28.7                5.6 +/-    0.48      10.1 +/-    0.48  0.030 / 0.020
G07     117.0          51.0                7.4 +/-    0.96       9.2 +/-    0.96  0.030 / 0.030
G08     41.5           12.2                1.8 +/-    0.67       4.8 +/-    0.67  0.060 / 0.140
G11     77.3           41.7                7.3 +/-    0.56      10.3 +/-    0.56  0.050 / 0.150
G13     303.4          32.9               -0.5 +/-    1.86      -0.8 +/-    1.86  0.060 / 0.060
G17     207.9          47.5                7.1 +/-    0.62       9.3 +/-    0.62  0.060 / 0.060
G19     211.3          16.7                6.2 +/-    2.86      14.8 +/-    2.86  0.040 / 0.060
G28     327.7          61.4                5.7 +/-    0.66       6.4 +/-    0.66  0.050 / 0.060
G30     51.6           80.5                6.1 +/-    0.53       6.2 +/-    0.53  0.040 / 0.050