PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-11:57:50
G02     31.3           56.7                5.0 +/-    1.31       5.9 +/-    1.31  0.040 / 0.030
G05     145.6          60.6                8.2 +/-    0.76       9.3 +/-    0.76  0.040 / 0.030
G06     53.0           17.1                2.2 +/-    3.41       5.2 +/-    3.41  0.050 / 0.040
G12     199.6          68.8                6.8 +/-    0.47       7.2 +/-    0.47  0.030 / 0.040
G19     98.4           12.3                4.8 +/-    0.88      12.6 +/-    0.88  0.030 / 0.030
G25     292.0          57.5                4.4 +/-    1.96       5.1 +/-    1.96  0.040 / 0.030
G29     307.2          28.1                4.3 +/-    1.57       7.7 +/-    1.57  0.090 / 0.090