PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-10:58:00
G02     245.8          75.9                5.0 +/-    0.39       5.1 +/-    0.39  0.120 / 0.090
G05     173.2          15.8                4.1 +/-    1.51      10.0 +/-    1.51  0.070 / 0.090
G06     40.0           57.1                4.3 +/-    0.46       5.0 +/-    0.46  0.040 / 0.020
G12     321.6          54.2                3.5 +/-    1.20       4.1 +/-    1.20  0.040 / 0.030
G17     73.5           19.1                3.1 +/-    1.68       7.0 +/-    1.68  0.040 / 0.040
G19     56.4           39.9                4.3 +/-    1.68       6.3 +/-    1.68  0.040 / 0.040
G24     238.5          33.2                6.2 +/-    1.67      10.2 +/-    1.67  0.150 / 0.160
G25     316.9          18.2                2.3 +/-    2.54       5.2 +/-    2.54  0.100 / 0.180