PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-19:27:40
G10     293.2          51.3               12.7 +/-    0.87      15.7 +/-    0.87  0.060 / 0.090
G15     46.7           30.8               10.0 +/-    0.47      17.2 +/-    0.47  0.080 / 0.110
G20     347.0          65.4               10.1 +/-    0.93      11.0 +/-    0.93  0.040 / 0.060
G21     79.1           76.4               12.9 +/-    0.60      13.3 +/-    0.60  0.050 / 0.050
G24     103.8          25.0               12.4 +/-    0.88      24.3 +/-    0.88  0.080 / 0.170
G27     305.0          32.4               11.1 +/-    2.07      18.4 +/-    2.07  0.070 / 0.140
G29     168.1          12.0               13.5 +/-    3.26      36.0 +/-    3.26  0.040 / 0.090
G32     208.3          28.8               15.1 +/-    1.04      27.1 +/-    1.04  0.060 / 0.080