PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-10:12:40
G02     254.1          79.1               11.0 +/-    0.45      11.2 +/-    0.45  0.190 / 0.360
G05     173.4          15.8                7.4 +/-    2.63      18.1 +/-    2.63  0.200 / 0.410
G06     39.9           55.1                7.1 +/-    0.67       8.4 +/-    0.67  0.040 / 0.050
G12     322.2          58.0                7.2 +/-    0.57       8.4 +/-    0.57  0.040 / 0.050
G17     72.3           20.7                7.3 +/-    0.92      15.9 +/-    0.92  0.080 / 0.160
G19     60.4           35.1                9.1 +/-    1.23      14.5 +/-    1.23  0.070 / 0.110
G24     244.4          33.3               12.2 +/-    1.34      20.0 +/-    1.34  0.040 / 0.030
G25     316.5          13.8                3.5 +/-    2.29       9.0 +/-    2.29  0.030 / 0.020