PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-21:42:40
G10     278.1          45.2               11.0 +/-    1.06      14.8 +/-    1.06  0.050 / 0.050
G15     51.8           42.1                9.8 +/-    0.61      13.8 +/-    0.61  0.040 / 0.050
G20     317.9          63.7                9.3 +/-    0.50      10.2 +/-    0.50  0.080 / 0.160
G21     28.3           76.0               10.9 +/-    0.63      11.2 +/-    0.63  0.080 / 0.150
G24     114.0          19.3               13.4 +/-    0.83      29.9 +/-    0.83  0.100 / 0.220
G27     314.1          25.3               10.3 +/-    1.42      20.1 +/-    1.42  0.090 / 0.220
G29     167.9          22.3               12.6 +/-    1.43      26.3 +/-    1.43  0.030 / 0.060
G32     205.5          17.3               16.7 +/-    3.79      39.4 +/-    3.79  0.040 / 0.060