PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-19:58:00
G02     34.1           54.6                9.4 +/-    0.50      11.2 +/-    0.50  0.030 / 0.040
G05     133.4          64.7               11.0 +/-    0.95      12.1 +/-    0.95  0.040 / 0.040
G06     56.1           11.7                7.6 +/-    1.39      20.4 +/-    1.39  0.040 / 0.060
G12     188.8          61.4               10.6 +/-    1.59      11.9 +/-    1.59  0.040 / 0.040
G19     101.5          10.4                9.3 +/-    2.23      25.8 +/-    2.23  0.040 / 0.060
G25     291.1          55.8                7.7 +/-    0.90       9.1 +/-    0.90  0.030 / 0.050
G29     308.9          29.1                7.9 +/-    1.12      14.1 +/-    1.12  0.040 / 0.070