PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-12:57:50
G02     57.3           33.5                7.9 +/-    1.82      12.9 +/-    1.82  0.030 / 0.020
G05     68.2           67.3               10.7 +/-    0.52      11.5 +/-    0.52  0.040 / 0.030
G12     182.1          34.1               11.7 +/-    1.10      18.9 +/-    1.10  0.070 / 0.100
G13     129.3          12.5                8.5 +/-    2.40      22.3 +/-    2.40  0.060 / 0.090
G15     163.8          11.0               -1.0 +/-   20.48      -2.7 +/-   20.48  0.040 / 0.050
G21     268.9          15.0                5.4 +/-    3.32      13.3 +/-    3.32  0.050 / 0.050
G25     242.7          54.4               13.2 +/-    2.81      15.9 +/-    2.81  0.110 / 0.310
G29     325.6          50.1                7.4 +/-    0.97       9.3 +/-    0.97  0.110 / 0.380