PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-12:42:30
G02     30.8           57.0                3.2 +/-    0.55       3.7 +/-    0.55  0.030 / 0.040
G05     146.7          60.3                5.6 +/-    0.56       6.4 +/-    0.56  0.040 / 0.040
G06     53.1           16.7                1.1 +/-    1.67       2.7 +/-    1.67  0.030 / 0.040
G12     198.7          68.6                3.9 +/-    1.02       4.2 +/-    1.02  0.030 / 0.030
G19     98.3           12.6                4.2 +/-    1.23      11.1 +/-    1.23  0.100 / 0.150
G25     292.7          57.0                2.9 +/-    1.35       3.4 +/-    1.35  0.150 / 0.240
G29     307.0          27.8                2.1 +/-    1.23       3.9 +/-    1.23  0.030 / 0.040