PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-13:27:20
G02     43.9           46.1                1.6 +/-    0.88       2.1 +/-    0.88  0.030 / 0.050
G05     113.1          70.3                4.5 +/-    0.80       4.8 +/-    0.80  0.040 / 0.050
G12     188.4          52.1                6.2 +/-    1.12       7.7 +/-    1.12  0.040 / 0.070
G25     262.1          60.3                4.0 +/-    1.00       4.5 +/-    1.00  0.050 / 0.060
G29     317.0          39.1                3.0 +/-    1.22       4.4 +/-    1.22  0.030 / 0.030