PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/13-07:58:00
G10     242.4          20.3                6.8 +/-    1.89      14.9 +/-    1.89  0.170 / 0.400
G13     63.8           33.8                5.1 +/-    0.93       8.3 +/-    0.93  0.180 / 0.370
G15     105.9          56.7                7.2 +/-    0.63       8.5 +/-    0.63  0.080 / 0.130
G16     310.9          12.1                3.0 +/-    2.64       7.9 +/-    2.64  0.080 / 0.110
G20     257.6          44.1                5.0 +/-    0.95       6.8 +/-    0.95  0.030 / 0.050
G21     326.8          55.8                3.6 +/-    1.03       4.2 +/-    1.03  0.040 / 0.040
G26     282.6          17.8                5.7 +/-    0.98      13.2 +/-    0.98  0.040 / 0.050
G29     156.7          56.0               10.0 +/-    0.97      11.8 +/-    0.97  0.040 / 0.060