PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-22:57:50
G10     267.9          40.0               11.7 +/-    0.96      17.0 +/-    0.96  0.100 / 0.160
G13     41.3           16.9                8.0 +/-    0.78      18.9 +/-    0.78  0.130 / 0.180
G15     58.6           48.5                9.3 +/-    0.74      11.9 +/-    0.74  0.170 / 0.450
G16     278.9          12.4               10.7 +/-    3.18      28.2 +/-    3.18  0.180 / 0.530
G20     298.6          60.3                9.9 +/-    0.55      11.3 +/-    0.55  0.040 / 0.050
G21     2.1            71.5               10.9 +/-    0.62      11.4 +/-    0.62  0.040 / 0.050
G24     121.2          14.4               14.6 +/-    1.37      36.9 +/-    1.37  0.100 / 0.270
G27     318.9          18.6                8.7 +/-    1.27      19.8 +/-    1.27  0.160 / 0.350
G29     167.0          30.7               13.0 +/-    1.29      22.4 +/-    1.29  0.050 / 0.080