PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-19:27:30
G02     55.7           36.2                8.6 +/-    0.64      13.4 +/-    0.64  0.060 / 0.060
G05     63.3           64.1                9.5 +/-    0.54      10.5 +/-    0.54  0.060 / 0.070
G12     185.2          36.8               12.5 +/-    2.30      19.3 +/-    2.30  0.070 / 0.090
G13     129.1          12.9               12.7 +/-    3.32      33.2 +/-    3.32  0.050 / 0.080
G15     165.5          10.1               -6.9 +/-   26.48     -19.1 +/-   26.48  0.120 / 0.300
G21     268.9          14.6               10.9 +/-    2.48      27.4 +/-    2.48  0.110 / 0.310
G25     243.0          54.1                9.8 +/-    0.53      11.8 +/-    0.53  0.030 / 0.040
G29     326.9          51.8                9.9 +/-    0.93      12.3 +/-    0.93  0.030 / 0.040