PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-22:13:10
G10     266.4          39.1                9.5 +/-    0.95      14.0 +/-    0.95  0.170 / 0.300
G13     41.9           17.9                7.2 +/-    3.47      16.7 +/-    3.47  0.260 / 0.120
G15     60.3           49.8                8.5 +/-    0.46      10.7 +/-    0.46  0.060 / 0.090
G16     280.0          12.8                8.2 +/-    1.98      21.5 +/-    1.98  0.040 / 0.100
G20     296.4          59.9                7.4 +/-    1.22       8.4 +/-    1.22  0.040 / 0.040
G21     358.8          70.6                8.7 +/-    0.73       9.2 +/-    0.73  0.050 / 0.040
G24     122.4          13.6               11.6 +/-    2.56      29.9 +/-    2.56  0.370 / 0.240
G27     319.4          17.6                9.1 +/-    3.13      21.2 +/-    3.13  0.350 / 0.370
G29     166.9          32.4               10.1 +/-    1.15      16.9 +/-    1.15  0.150 / 0.340