PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-00:57:50
G10     289.7          49.1               11.2 +/-    0.96      14.3 +/-    0.96  0.050 / 0.090
G15     48.0           35.8                8.2 +/-    1.67      12.9 +/-    1.67  0.070 / 0.090
G20     296.1          51.1               16.0 +/-    1.15      19.9 +/-    1.15  0.070 / 0.160
G21     71.4           77.3                9.0 +/-    0.42       9.2 +/-    0.42  0.060 / 0.170
G24     101.8          24.1                8.0 +/-    1.65      16.0 +/-    1.65  0.040 / 0.040
G27     306.1          31.4                9.6 +/-    1.80      16.3 +/-    1.80  0.040 / 0.050
G29     168.9          13.6               13.1 +/-    4.83      33.7 +/-    4.83  0.060 / 0.040
G32     208.1          28.4               14.0 +/-    1.12      25.3 +/-    1.12  0.050 / 0.040