PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-09:12:30
G02     259.3          80.1                4.0 +/-    0.47       4.1 +/-    0.47  0.120 / 0.120
G05     172.5          16.9                4.6 +/-    1.92      11.0 +/-    1.92  0.050 / 0.130
G06     39.8           54.7                3.7 +/-    0.87       4.4 +/-    0.87  0.050 / 0.050
G12     321.9          58.0                2.5 +/-    0.95       2.8 +/-    0.95  0.040 / 0.040
G17     73.0           19.9                3.5 +/-    0.61       7.7 +/-    0.61  0.030 / 0.030
G19     61.1           34.7                3.3 +/-    1.05       5.3 +/-    1.05  0.030 / 0.030
G24     243.6          32.9                7.9 +/-    1.59      13.0 +/-    1.59  0.050 / 0.090
G25     316.6          14.6                2.2 +/-    2.55       5.6 +/-    2.55  0.050 / 0.100