PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-06:12:50
G02     198.8          17.7                6.7 +/-    1.17      15.7 +/-    1.17  0.100 / 0.180
G06     171.3          48.5                8.8 +/-    1.10      11.3 +/-    1.10  0.090 / 0.150
G13     229.2          16.8                7.0 +/-    2.15      16.6 +/-    2.15  0.050 / 0.070
G17     17.2           63.2                6.7 +/-    0.52       7.4 +/-    0.52  0.050 / 0.070
G19     312.5          72.5                6.9 +/-    0.70       7.2 +/-    0.70  0.040 / 0.030
G24     313.2          24.7                3.6 +/-    1.78       7.1 +/-    1.78  0.030 / 0.040
G28     74.3           49.4                6.7 +/-    1.18       8.5 +/-    1.18  0.300 / 0.500
G30     157.8          22.8                8.3 +/-    1.99      17.1 +/-    1.99  0.170 / 0.480