PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-21:27:10
G02     39.0           49.9                8.0 +/-    1.57      10.1 +/-    1.57  0.050 / 0.050
G05     120.9          67.4               10.8 +/-    0.43      11.5 +/-    0.43  0.040 / 0.050
G06     57.5           10.5                8.1 +/-    1.58      22.4 +/-    1.58  0.050 / 0.050
G12     194.5          61.3               10.6 +/-    1.15      11.9 +/-    1.15  0.050 / 0.060
G25     285.0          56.8               11.7 +/-    3.47      13.7 +/-    3.47  0.160 / 0.280
G29     313.1          34.8                8.3 +/-    1.06      13.2 +/-    1.06  0.150 / 0.320