PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-07:12:40
G01     113.2          21.9                7.8 +/-    1.71      16.3 +/-    1.71  0.050 / 0.040
G07     96.3           61.7                9.7 +/-    0.82      10.8 +/-    0.82  0.040 / 0.060
G08     42.8           24.9                6.5 +/-    1.44      12.8 +/-    1.44  0.030 / 0.030
G09     175.8          19.5                8.0 +/-    1.96      17.8 +/-    1.96  0.030 / 0.040
G11     97.6           41.0                9.8 +/-    0.96      14.0 +/-    0.96  0.090 / 0.080
G13     315.1          22.8                6.3 +/-    1.69      12.9 +/-    1.69  0.130 / 0.160
G17     203.0          33.0                9.6 +/-    0.98      15.8 +/-    0.98  0.090 / 0.100
G28     306.3          59.7                8.6 +/-    0.85       9.8 +/-    0.85  0.060 / 0.070
G30     1.8            73.7               10.4 +/-    0.62      10.8 +/-    0.62  0.090 / 0.150