PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-19:13:10
G10     268.6          40.5               15.9 +/-    1.04      22.9 +/-    1.04  0.110 / 0.150
G13     41.0           16.4               11.3 +/-    1.03      27.1 +/-    1.03  0.120 / 0.250
G15     57.8           47.7               12.9 +/-    0.68      16.7 +/-    0.68  0.050 / 0.050
G16     277.5          12.4               14.0 +/-    1.56      37.0 +/-    1.56  0.040 / 0.050
G20     302.3          61.5               13.6 +/-    0.72      15.2 +/-    0.72  0.130 / 0.400
G21     3.8            71.8               14.7 +/-    0.52      15.4 +/-    0.52  0.140 / 0.300
G24     121.4          14.6               18.1 +/-    1.23      45.4 +/-    1.23  0.110 / 0.310
G27     318.5          19.4               13.6 +/-    2.06      30.4 +/-    2.06  0.190 / 0.370
G29     167.5          31.1               16.9 +/-    1.10      29.0 +/-    1.10  0.140 / 0.500
G32     204.0          10.4              -12.0 +/-   44.49     -33.2 +/-   44.49  0.150 / 0.530