PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-03:13:00
G01     297.7          39.4                7.7 +/-    1.06      11.4 +/-    1.06  0.090 / 0.120
G03     309.4          11.8                5.8 +/-    6.74      15.6 +/-    6.74  0.080 / 0.110
G10     114.2          32.0                7.9 +/-    0.80      13.3 +/-    0.80  0.040 / 0.050
G11     273.0          26.5                9.0 +/-    1.22      17.0 +/-    1.22  0.040 / 0.070
G14     10.8           63.4                6.9 +/-    0.61       7.7 +/-    0.61  0.060 / 0.080
G18     261.7          49.8                7.6 +/-    1.16       9.5 +/-    1.16  0.060 / 0.090
G22     312.5          31.9                7.1 +/-    1.49      12.0 +/-    1.49  0.050 / 0.070
G25     74.8           18.2                5.1 +/-    0.64      11.8 +/-    0.64  0.060 / 0.090
G31     146.7          74.3                9.2 +/-    0.73       9.5 +/-    0.73  0.120 / 0.220
G32     44.1           47.0                4.6 +/-    0.36       6.0 +/-    0.36  0.100 / 0.210