PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-08:58:10
G01     58.6           29.9                6.0 +/-    0.46      10.6 +/-    0.46  0.040 / 0.070
G06     181.9          14.0                8.1 +/-    2.19      20.8 +/-    2.19  0.040 / 0.070
G07     142.8          19.9                8.1 +/-    1.60      17.8 +/-    1.60  0.030 / 0.030
G11     47.6           21.8                5.1 +/-    1.85      10.7 +/-    1.85  0.030 / 0.040
G13     262.8          34.4                8.8 +/-    1.75      14.1 +/-    1.75  0.080 / 0.240
G15     292.6          16.6                5.4 +/-    1.95      12.9 +/-    1.95  0.070 / 0.260
G17     271.8          78.7                8.8 +/-    0.64       9.0 +/-    0.64  0.060 / 0.160
G19     234.9          53.7                8.5 +/-    0.99      10.3 +/-    0.99  0.080 / 0.140
G28     39.1           55.8                5.9 +/-    0.44       7.0 +/-    0.44  0.060 / 0.100
G30     144.2          50.7                8.6 +/-    1.33      10.8 +/-    1.33  0.060 / 0.080