PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-23:27:40
G10     261.0          33.6               13.3 +/-    1.09      21.7 +/-    1.09  0.040 / 0.050
G13     45.7           24.1               10.6 +/-    2.15      21.1 +/-    2.15  0.040 / 0.060
G15     67.6           53.6               13.1 +/-    0.59      15.8 +/-    0.59  0.130 / 0.460
G16     286.9          12.9               11.0 +/-    1.61      28.9 +/-    1.61  0.130 / 0.450
G18     288.0          61.7               12.6 +/-    0.64      14.1 +/-    0.64  0.070 / 0.100
G20     51.1           38.2               10.6 +/-    0.51      15.8 +/-    0.51  0.070 / 0.090
G21     351.8          68.6               10.7 +/-    1.00      11.4 +/-    1.00  0.140 / 0.300
G26     260.0          10.5               11.9 +/-    1.90      32.8 +/-    1.90  0.120 / 0.220
G27     320.1          15.8               10.1 +/-    2.25      24.6 +/-    2.25  0.060 / 0.090
G29     166.1          34.2               14.6 +/-    1.33      23.5 +/-    1.33  0.070 / 0.090