PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-13:42:40
G02     83.3           12.9                5.6 +/-    3.49      14.5 +/-    3.49  0.050 / 0.050
G05     44.2           36.5                4.5 +/-    0.85       6.9 +/-    0.85  0.060 / 0.070
G13     98.5           31.8                7.6 +/-    1.46      12.9 +/-    1.46  0.020 / 0.020
G15     142.6          38.5                7.4 +/-    0.80      11.0 +/-    0.80  0.030 / 0.030
G20     234.2          24.7                4.9 +/-    1.80       9.6 +/-    1.80  0.160 / 0.110
G21     296.7          35.1                5.0 +/-    1.52       7.9 +/-    1.52  0.150 / 0.130
G25     209.7          27.4                5.9 +/-    2.28      11.0 +/-    2.28  0.180 / 0.230
G26     306.5          17.5                2.4 +/-    1.51       5.6 +/-    1.51  0.150 / 0.170
G29     3.0            83.3                4.3 +/-    1.28       4.3 +/-    1.28  0.080 / 0.130