PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-12:42:50
G02     30.8           57.0                3.3 +/-    1.40       3.8 +/-    1.40  0.040 / 0.040
G05     146.7          60.3                5.3 +/-    0.49       6.0 +/-    0.49  0.040 / 0.030
G06     53.1           16.7                1.9 +/-    1.58       4.6 +/-    1.58  0.030 / 0.020
G12     198.7          68.6                3.7 +/-    0.47       3.9 +/-    0.47  0.030 / 0.030
G19     98.3           12.6                3.7 +/-    1.02       9.8 +/-    1.02  0.250 / 0.210
G25     292.7          57.0                3.9 +/-    1.50       4.6 +/-    1.50  0.270 / 0.130
G29     307.0          27.8                2.3 +/-    1.62       4.3 +/-    1.62  0.100 / 0.200