PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-20:12:30
G08     301.9          21.8                9.0 +/-    0.92      19.0 +/-    0.92  0.080 / 0.070
G10     345.9          61.7                8.2 +/-    0.96       9.2 +/-    0.96  0.090 / 0.090
G14     223.0          38.9               11.9 +/-    1.86      17.7 +/-    1.86  0.060 / 0.060
G18     52.3           55.1                8.8 +/-    0.84      10.5 +/-    0.84  0.040 / 0.070
G21     140.2          45.6               11.3 +/-    0.56      15.1 +/-    0.56  0.050 / 0.080
G24     66.6           29.6                8.9 +/-    1.67      15.8 +/-    1.67  0.060 / 0.070
G27     263.2          35.5               10.8 +/-    1.29      16.9 +/-    1.29  0.060 / 0.050
G32     231.3          57.5               11.7 +/-    2.00      13.6 +/-    2.00  0.060 / 0.040