PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-10:42:40
G02     203.7          31.5                3.7 +/-    1.00       6.3 +/-    1.00  0.100 / 0.370
G06     160.2          68.2                5.7 +/-    0.49       6.0 +/-    0.49  0.120 / 0.190
G12     307.3          15.8                2.2 +/-    2.13       5.3 +/-    2.13  0.070 / 0.110
G17     37.1           48.0                3.6 +/-    1.78       4.6 +/-    1.78  0.080 / 0.070
G19     349.5          67.0                3.5 +/-    0.35       3.7 +/-    0.35  0.030 / 0.020
G24     295.7          40.1                3.4 +/-    7.28       5.0 +/-    7.28  0.040 / 0.030
G28     100.7          33.0                5.1 +/-    1.09       8.4 +/-    1.09  0.030 / 0.030