PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/12-10:57:30
G02     59.0           31.6                4.2 +/-    0.86       7.1 +/-    0.86  0.030 / 0.030
G05     63.2           64.7                4.4 +/-    0.56       4.8 +/-    0.56  0.030 / 0.030
G12     182.9          34.0                6.9 +/-    2.63      11.1 +/-    2.63  0.190 / 0.450
G13     128.3          13.3                6.2 +/-    1.63      16.1 +/-    1.63  0.180 / 0.380
G15     162.2          12.5                6.3 +/-    2.37      16.6 +/-    2.37  0.040 / 0.060
G21     270.2          16.5                3.0 +/-    4.68       7.2 +/-    4.68  0.060 / 0.060
G25     239.6          53.6                7.5 +/-    1.45       9.0 +/-    1.45  0.060 / 0.110
G29     326.4          51.3                4.8 +/-    0.82       5.9 +/-    0.82  0.060 / 0.100