PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-23:58:10
G10     270.4          40.2               13.7 +/-    1.50      19.8 +/-    1.50  0.300 / 0.240
G13     40.5           15.8                8.9 +/-    1.70      21.7 +/-    1.70  0.170 / 0.200
G15     58.1           49.3                9.5 +/-    0.86      12.1 +/-    0.86  0.040 / 0.040
G16     274.5          11.2               12.6 +/-    3.47      34.3 +/-    3.47  0.040 / 0.030
G20     274.9          38.8                8.3 +/-    0.71      12.4 +/-    0.71  0.110 / 0.250
G21     7.6            73.3               11.1 +/-    1.10      11.5 +/-    1.10  0.120 / 0.270
G24     116.3          16.1               12.2 +/-    1.26      29.5 +/-    1.26  0.170 / 0.330
G27     317.3          21.1                9.8 +/-    3.31      21.1 +/-    3.31  0.140 / 0.230
G29     168.7          29.0               12.6 +/-    1.66      22.5 +/-    1.66  0.090 / 0.280
G32     204.3          13.6               15.7 +/-    4.11      40.4 +/-    4.11  0.180 / 0.420