PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-22:12:30
G08     303.8          20.5               12.6 +/-    2.29      27.3 +/-    2.29  0.080 / 0.060
G10     354.6          62.3                9.2 +/-    0.61      10.2 +/-    0.61  0.060 / 0.080
G14     223.1          37.0               15.3 +/-    2.19      23.5 +/-    2.19  0.040 / 0.080
G20     55.2           55.4               10.5 +/-    0.39      12.5 +/-    0.39  0.040 / 0.070
G21     142.3          49.0               13.8 +/-    1.24      17.6 +/-    1.24  0.060 / 0.150
G24     64.9           29.1                9.4 +/-    0.84      16.8 +/-    0.84  0.060 / 0.120
G27     263.5          35.5               14.1 +/-    1.51      22.1 +/-    1.51  0.150 / 0.330
G32     232.5          61.6               15.0 +/-    0.97      16.8 +/-    0.97  0.120 / 0.370