PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-13:27:50
G02     43.9           46.1                3.9 +/-    0.82       5.2 +/-    0.82  0.040 / 0.040
G05     113.1          70.3                5.7 +/-    0.71       6.0 +/-    0.71  0.040 / 0.040
G12     188.4          52.1                7.3 +/-    1.05       9.0 +/-    1.05  0.030 / 0.040
G25     262.1          60.3                4.9 +/-    1.92       5.6 +/-    1.92  0.030 / 0.040
G29     317.0          39.1                2.5 +/-    0.85       3.8 +/-    0.85  0.030 / 0.020