PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-17:12:40
G08     274.0          21.2                9.2 +/-    2.27      19.7 +/-    2.27  0.080 / 0.170
G10     49.6           59.4                7.4 +/-    1.24       8.4 +/-    1.24  0.200 / 0.250
G14     247.8          57.1               10.1 +/-    0.61      11.7 +/-    0.61  0.050 / 0.050
G20     89.8           38.5                7.9 +/-    1.49      11.8 +/-    1.49  0.050 / 0.040
G21     153.4          22.1               10.2 +/-    1.64      21.3 +/-    1.64  0.100 / 0.190
G24     44.0           16.2                6.3 +/-    2.68      15.2 +/-    2.68  0.120 / 0.210
G27     237.4          21.5                9.4 +/-    1.38      19.9 +/-    1.38  0.190 / 0.340
G31     180.2          22.1               11.9 +/-    2.19      24.9 +/-    2.19  0.170 / 0.370
G32     315.3          77.0                8.9 +/-    0.83       9.1 +/-    0.83  0.030 / 0.030