PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-19:28:10
G02     33.6           55.0               10.0 +/-    0.90      11.9 +/-    0.90  0.020 / 0.030
G05     134.1          64.5               10.7 +/-    0.48      11.7 +/-    0.48  0.030 / 0.030
G06     56.1           11.7                7.8 +/-    1.07      21.0 +/-    1.07  0.040 / 0.040
G12     188.4          61.3               12.0 +/-    0.67      13.5 +/-    0.67  0.040 / 0.040
G19     101.3          10.6               10.6 +/-    3.20      29.2 +/-    3.20  0.040 / 0.040
G25     291.3          55.9                6.1 +/-    2.04       7.2 +/-    2.04  0.050 / 0.040
G29     308.7          29.0                8.9 +/-    0.94      16.0 +/-    0.94  0.070 / 0.150