PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-21:58:00
G10     272.9          42.7               10.5 +/-    0.78      14.7 +/-    0.78  0.040 / 0.040
G13     39.5           13.5                6.9 +/-    1.40      17.9 +/-    1.40  0.040 / 0.050
G15     54.9           45.6                8.3 +/-    0.97      11.1 +/-    0.97  0.140 / 0.740
G16     274.5          10.9                8.4 +/-    2.59      23.0 +/-    2.59  0.130 / 0.680
G20     308.2          62.3                9.2 +/-    1.43      10.3 +/-    1.43  0.100 / 0.190
G21     13.5           74.0               10.2 +/-    0.83      10.6 +/-    0.83  0.110 / 0.150
G24     117.8          16.9                9.8 +/-    1.30      23.4 +/-    1.30  0.100 / 0.250
G27     316.7          22.1                6.1 +/-    2.04      12.8 +/-    2.04  0.100 / 0.230
G29     167.6          26.5               10.1 +/-    1.04      19.1 +/-    1.04  0.090 / 0.250
G32     204.8          13.1               11.5 +/-    1.36      29.8 +/-    1.36  0.090 / 0.280