PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-23:57:40
G01     318.2          21.2                8.1 +/-    2.36      17.3 +/-    2.36  0.230 / 0.330
G08     258.7          12.6               10.7 +/-    2.00      28.3 +/-    2.00  0.130 / 0.190
G10     83.6           50.4               10.0 +/-    0.52      12.5 +/-    0.52  0.040 / 0.040
G11     302.7          22.5                8.1 +/-    1.33      16.9 +/-    1.33  0.040 / 0.050
G14     295.3          70.0                9.0 +/-    0.57       9.5 +/-    0.57  0.060 / 0.070
G18     302.8          42.3                9.2 +/-    1.26      13.0 +/-    1.26  0.100 / 0.070
G20     107.5          26.8               11.7 +/-    1.60      21.9 +/-    1.60  0.150 / 0.240
G31     173.9          45.0                3.7 +/-    1.11       5.0 +/-    1.11  0.170 / 0.300
G32     11.7           66.1                7.6 +/-    0.58       8.2 +/-    0.58  0.030 / 0.030