PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-21:58:10
G08     297.0          22.0                9.9 +/-    0.68      20.8 +/-    0.68  0.040 / 0.080
G10     9.2            62.7                8.3 +/-    0.82       9.3 +/-    0.82  0.040 / 0.070
G14     228.0          42.8               13.3 +/-    1.68      18.5 +/-    1.68  0.070 / 0.100
G20     65.3           51.8                9.8 +/-    1.11      12.1 +/-    1.11  0.080 / 0.100
G21     146.4          42.3               12.0 +/-    0.89      16.8 +/-    0.89  0.090 / 0.190
G24     58.2           26.8                8.0 +/-    1.59      15.0 +/-    1.59  0.100 / 0.210
G27     255.7          32.7               12.3 +/-    1.74      20.3 +/-    1.74  0.080 / 0.120
G32     243.3          67.6               10.5 +/-    0.64      11.3 +/-    0.64  0.090 / 0.100