PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-08:28:00
G02     338.5          80.1                4.0 +/-    0.55       4.0 +/-    0.55  0.060 / 0.090
G05     167.6          27.8                6.5 +/-    2.00      11.9 +/-    2.00  0.070 / 0.110
G06     40.1           44.2                3.4 +/-    0.40       4.6 +/-    0.40  0.110 / 0.190
G12     317.0          68.6                2.8 +/-    0.66       3.0 +/-    0.66  0.090 / 0.180
G17     82.1           13.1                6.1 +/-    0.99      15.8 +/-    0.99  0.030 / 0.030
G19     71.5           27.8                4.5 +/-    0.47       8.3 +/-    0.47  0.030 / 0.030
G24     233.3          25.9                6.8 +/-    1.52      13.0 +/-    1.52  0.110 / 0.180
G25     317.2          24.9                4.0 +/-    4.30       7.9 +/-    4.30  0.070 / 0.150