PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-07:57:50
G01     91.6           31.4                7.5 +/-    0.83      12.8 +/-    0.83  0.050 / 0.040
G07     124.4          45.4               10.5 +/-    0.77      14.1 +/-    0.77  0.050 / 0.060
G11     70.0           39.4                7.8 +/-    0.95      11.5 +/-    0.95  0.040 / 0.050
G13     297.6          34.5                8.1 +/-    4.10      13.0 +/-    4.10  0.040 / 0.050
G17     213.4          54.2               11.4 +/-    0.82      13.7 +/-    0.82  0.060 / 0.040
G19     213.9          27.4                9.8 +/-    1.70      18.2 +/-    1.70  0.040 / 0.040
G28     348.0          61.7                7.5 +/-    0.29       8.4 +/-    0.29  0.090 / 0.070
G30     98.5           76.6                9.5 +/-    0.62       9.7 +/-    0.62  0.080 / 0.100