PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-11:57:50
G02     204.2          31.3                6.2 +/-    0.94      10.5 +/-    0.94  0.060 / 0.080
G06     158.2          69.2                6.5 +/-    1.26       6.9 +/-    1.26  0.060 / 0.090
G12     307.9          16.9                4.2 +/-    2.15      10.0 +/-    2.15  0.040 / 0.030
G17     37.4           47.8                4.5 +/-    0.28       5.9 +/-    0.28  0.030 / 0.020
G19     349.5          66.9                3.6 +/-    0.87       3.9 +/-    0.87  0.150 / 0.200
G24     295.5          40.1                6.9 +/-    1.56      10.0 +/-    1.56  0.080 / 0.210
G28     101.5          32.5                6.4 +/-    1.30      10.7 +/-    1.30  0.050 / 0.040