PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-16:57:40
G02     217.6          58.8                8.7 +/-    1.17      10.0 +/-    1.17  0.050 / 0.060
G06     53.2           71.1                8.1 +/-    1.18       8.5 +/-    1.18  0.050 / 0.060
G12     320.3          41.5                7.1 +/-    2.12      10.1 +/-    2.12  0.130 / 0.470
G17     59.0           30.6                7.2 +/-    0.72      12.4 +/-    0.72  0.100 / 0.380
G19     36.8           51.0                7.1 +/-    0.41       8.8 +/-    0.41  0.040 / 0.050
G24     261.6          41.6                8.7 +/-    1.72      12.4 +/-    1.72  0.030 / 0.050
G28     123.3          12.9                7.3 +/-    1.68      19.1 +/-    1.68  0.070 / 0.100