PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-17:58:00
G10     247.9          26.3               14.2 +/-    1.70      26.9 +/-    1.70  0.040 / 0.080
G13     55.9           30.3               12.5 +/-    1.20      21.7 +/-    1.20  0.040 / 0.050
G15     91.5           57.6               13.1 +/-    0.62      15.2 +/-    0.62  0.160 / 0.470
G16     298.2          16.0               10.8 +/-    3.05      26.1 +/-    3.05  0.150 / 0.440
G20     267.3          50.2               13.8 +/-    2.60      17.4 +/-    2.60  0.080 / 0.140
G21     330.0          57.3               11.4 +/-    0.62      13.3 +/-    0.62  0.090 / 0.130
G26     271.1          16.6               11.8 +/-    4.46      28.1 +/-    4.46  0.030 / 0.040
G29     162.7          54.7               13.4 +/-    0.64      16.0 +/-    0.64  0.030 / 0.040