PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-19:12:10
G02     51.0           40.7                8.7 +/-    0.37      12.5 +/-    0.37  0.030 / 0.030
G05     75.9           67.7                8.9 +/-    0.36       9.6 +/-    0.36  0.030 / 0.030
G12     182.4          37.9               11.7 +/-    1.28      17.6 +/-    1.28  0.230 / 0.610
G21     264.3          11.0                8.8 +/-    1.69      24.1 +/-    1.69  0.240 / 0.580
G25     249.3          56.8                9.3 +/-    0.95      10.9 +/-    0.95  0.050 / 0.060
G29     322.0          45.4                7.6 +/-    1.46      10.2 +/-    1.46  0.050 / 0.070