PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-23:57:50
G10     275.5          42.1               11.3 +/-    1.71      15.9 +/-    1.71  0.040 / 0.040
G13     39.5           13.7                9.9 +/-    1.50      25.4 +/-    1.50  0.030 / 0.040
G15     53.1           43.7               10.8 +/-    0.66      14.8 +/-    0.66  0.130 / 0.240
G18     317.2          66.1               10.5 +/-    1.06      11.4 +/-    1.06  0.130 / 0.290
G20     60.4           28.1                8.7 +/-    0.86      15.8 +/-    0.86  0.050 / 0.090
G21     29.6           76.1               12.0 +/-    0.43      12.3 +/-    0.43  0.040 / 0.070
G24     114.9          18.4               13.2 +/-    1.42      30.3 +/-    1.42  0.060 / 0.110
G27     313.2          26.1               11.3 +/-    2.33      21.5 +/-    2.33  0.060 / 0.110
G29     167.4          20.3               13.6 +/-    1.08      29.7 +/-    1.08  0.050 / 0.180
G32     206.3          14.9               15.1 +/-    2.00      37.6 +/-    2.00  0.060 / 0.180