PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-15:57:30
G02     29.5           57.9                7.0 +/-    0.80       8.2 +/-    0.80  0.050 / 0.050
G05     146.0          61.2               10.1 +/-    0.73      11.4 +/-    0.73  0.040 / 0.040
G06     54.2           14.8                6.0 +/-    2.22      15.0 +/-    2.22  0.030 / 0.030
G12     193.0          65.7                8.4 +/-    0.43       9.2 +/-    0.43  0.030 / 0.040
G19     98.8           13.0                8.1 +/-    3.57      21.1 +/-    3.57  0.030 / 0.040
G25     293.4          55.9                6.0 +/-    4.60       7.1 +/-    4.60  0.030 / 0.030
G29     307.3          27.7                5.9 +/-    1.37      10.9 +/-    1.37  0.100 / 0.250