PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-20:42:30
G02     34.5           54.3                8.2 +/-    0.63       9.9 +/-    0.63  0.030 / 0.050
G05     132.7          64.7               10.8 +/-    0.68      11.8 +/-    0.68  0.030 / 0.040
G06     56.1           11.9                7.0 +/-    1.94      18.7 +/-    1.94  0.040 / 0.040
G12     189.6          61.7               11.5 +/-    1.24      12.9 +/-    1.24  0.040 / 0.050
G19     101.6          10.2                8.3 +/-    1.08      23.0 +/-    1.08  0.040 / 0.060
G25     291.4          55.7                8.2 +/-    0.74       9.8 +/-    0.74  0.040 / 0.050
G29     308.9          29.2                7.7 +/-    1.43      13.7 +/-    1.43  0.040 / 0.070