PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-13:12:30
G02     31.1           56.8                3.2 +/-    1.47       3.8 +/-    1.47  0.030 / 0.030
G05     146.5          60.7                5.7 +/-    0.60       6.4 +/-    0.60  0.020 / 0.020
G06     53.5           16.1                2.3 +/-    1.61       5.5 +/-    1.61  0.170 / 0.190
G12     197.3          67.7                4.1 +/-    0.78       4.4 +/-    0.78  0.190 / 0.210
G19     98.7           12.4                5.5 +/-    1.85      14.6 +/-    1.85  0.110 / 0.150
G25     292.1          57.1                3.0 +/-    1.17       3.5 +/-    1.17  0.090 / 0.170
G29     307.3          28.1                2.1 +/-    2.27       3.8 +/-    2.27  0.030 / 0.040