PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-12:43:00
G02     32.7           55.6                3.9 +/-    0.55       4.6 +/-    0.55  0.040 / 0.050
G05     143.8          62.0                6.1 +/-    0.64       6.8 +/-    0.64  0.040 / 0.040
G06     54.1           15.4                1.8 +/-    1.18       4.4 +/-    1.18  0.040 / 0.040
G12     196.6          66.6                3.0 +/-    1.61       3.2 +/-    1.61  0.050 / 0.040
G19     99.8           11.4                3.8 +/-    1.47      10.2 +/-    1.47  0.030 / 0.040
G25     289.4          58.0                3.3 +/-    1.19       3.9 +/-    1.19  0.030 / 0.040
G29     308.3          29.2                3.2 +/-    1.47       5.7 +/-    1.47  0.150 / 0.350