PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-07:13:10
G01     44.5           20.4                3.9 +/-    1.03       8.4 +/-    1.03  0.080 / 0.230
G06     175.3          30.7               10.8 +/-    1.69      18.6 +/-    1.69  0.110 / 0.280
G11     44.2           13.7                2.8 +/-    3.04       7.1 +/-    3.04  0.060 / 0.060
G13     243.4          28.0               10.8 +/-    1.83      19.7 +/-    1.83  0.050 / 0.080
G15     276.3          14.9                8.8 +/-    1.52      22.0 +/-    1.52  0.140 / 0.370
G17     339.5          76.6                8.4 +/-    0.31       8.6 +/-    0.31  0.070 / 0.220
G19     257.9          66.5                7.9 +/-    0.93       8.5 +/-    0.93  0.040 / 0.040
G24     318.6          11.1              -12.8 +/-   23.08     -35.0 +/-   23.08  0.040 / 0.040
G28     49.2           56.1                7.2 +/-    0.45       8.5 +/-    0.45  0.040 / 0.060
G30     153.1          39.3               13.2 +/-    0.82      19.4 +/-    0.82  0.030 / 0.060