PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-18:58:10
G08     277.1          21.6                8.8 +/-    2.42      18.6 +/-    2.42  0.040 / 0.080
G10     45.4           60.1                8.4 +/-    0.33       9.5 +/-    0.33  0.040 / 0.060
G14     244.8          55.0                9.1 +/-    0.70      10.9 +/-    0.70  0.090 / 0.220
G20     87.2           40.5                9.6 +/-    0.69      13.8 +/-    0.69  0.090 / 0.250
G21     153.0          24.8                8.9 +/-    1.17      17.4 +/-    1.17  0.080 / 0.220
G24     45.2           17.6                7.0 +/-    0.58      16.2 +/-    0.58  0.100 / 0.220
G27     239.2          22.8                8.1 +/-    1.85      16.7 +/-    1.85  0.020 / 0.040
G31     180.0          20.7               10.0 +/-    1.49      21.7 +/-    1.49  0.030 / 0.030
G32     304.0          77.1                8.5 +/-    0.90       8.7 +/-    0.90  0.120 / 0.230