PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-13:27:30
G02     227.7          66.8                5.0 +/-    1.61       5.4 +/-    1.61  0.060 / 0.080
G06     43.3           64.0                4.3 +/-    0.49       4.7 +/-    0.49  0.060 / 0.080
G12     321.6          48.0                5.0 +/-    1.04       6.4 +/-    1.04  0.030 / 0.030
G17     66.7           24.4                5.3 +/-    1.11      10.4 +/-    1.11  0.030 / 0.030
G19     46.6           45.9                4.0 +/-    0.92       5.3 +/-    0.92  0.050 / 0.060
G24     248.5          38.0                6.7 +/-    1.00      10.1 +/-    1.00  0.060 / 0.050