PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-20:27:30
G10     292.2          50.9               13.2 +/-    0.54      16.5 +/-    0.54  0.060 / 0.120
G15     47.0           32.2                8.1 +/-    0.75      13.5 +/-    0.75  0.050 / 0.090
G20     344.4          65.3               10.6 +/-    0.65      11.5 +/-    0.65  0.040 / 0.050
G21     75.8           76.7               13.3 +/-    0.74      13.6 +/-    0.74  0.040 / 0.050
G24     104.3          24.7               10.8 +/-    0.69      21.3 +/-    0.69  0.040 / 0.090
G27     305.7          32.0               11.0 +/-    2.04      18.5 +/-    2.04  0.040 / 0.080
G29     168.1          12.4               16.7 +/-    2.96      44.2 +/-    2.96  0.070 / 0.140
G32     208.2          27.8               15.5 +/-    2.31      28.4 +/-    2.31  0.120 / 0.130