PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-18:57:20
G02     48.4           42.9               10.3 +/-    0.52      14.3 +/-    0.52  0.030 / 0.040
G05     84.6           69.1                8.5 +/-    0.53       9.1 +/-    0.53  0.030 / 0.030
G12     182.8          41.2                8.9 +/-    2.33      12.7 +/-    2.33  0.040 / 0.080
G25     255.3          58.0                8.7 +/-    0.88      10.1 +/-    0.88  0.080 / 0.080
G29     320.0          42.7                8.7 +/-    1.47      12.1 +/-    1.47  0.050 / 0.050