PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-22:28:10
G08     304.2          20.3                8.0 +/-    2.10      17.4 +/-    2.10  0.040 / 0.060
G10     354.2          62.3                7.5 +/-    0.75       8.4 +/-    0.75  0.040 / 0.050
G14     223.0          36.9               11.4 +/-    1.18      17.5 +/-    1.18  0.130 / 0.150
G20     54.8           55.6                8.8 +/-    0.71      10.4 +/-    0.71  0.130 / 0.140
G21     142.2          49.2               10.8 +/-    0.36      13.7 +/-    0.36  0.050 / 0.050
G24     65.1           29.1                8.9 +/-    1.41      15.8 +/-    1.41  0.050 / 0.050
G27     263.7          35.6               12.1 +/-    1.19      18.9 +/-    1.19  0.080 / 0.080
G32     232.2          61.3               10.3 +/-    1.22      11.5 +/-    1.22  0.090 / 0.060