PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/20-22:43:10
G01     289.3          42.1               11.4 +/-    1.14      16.0 +/-    1.14  0.060 / 0.090
G03     311.6          15.5                8.2 +/-    3.27      20.1 +/-    3.27  0.060 / 0.090
G10     119.3          27.0               12.0 +/-    1.10      22.5 +/-    1.10  0.060 / 0.040
G11     268.2          24.6               11.2 +/-    1.61      22.0 +/-    1.61  0.060 / 0.050
G14     16.8           61.4                8.8 +/-    0.64       9.8 +/-    0.64  0.130 / 0.200
G22     313.8          36.4                8.1 +/-    0.99      12.6 +/-    0.99  0.100 / 0.220
G25     68.2           18.6                8.5 +/-    1.59      19.4 +/-    1.59  0.130 / 0.350
G26     156.7          13.4               15.5 +/-    3.43      40.0 +/-    3.43  0.150 / 0.340
G31     125.2          78.3               10.6 +/-    0.54      10.8 +/-    0.54  0.050 / 0.070
G32     51.2           41.4                8.9 +/-    1.14      12.7 +/-    1.14  0.050 / 0.070