PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-17:57:30
G03     216.7          63.6               13.5 +/-    1.06      14.9 +/-    1.06  0.060 / 0.050
G09     305.8          20.8               10.1 +/-    1.57      21.9 +/-    1.57  0.050 / 0.050
G14     103.0          13.1               14.2 +/-    3.20      36.8 +/-    3.20  0.040 / 0.040
G16     116.5          62.3               16.9 +/-    0.44      18.8 +/-    0.44  0.040 / 0.040
G22     189.3          48.6               15.3 +/-    0.61      19.7 +/-    0.61  0.140 / 0.340
G23     325.3          55.0               12.4 +/-    0.62      14.7 +/-    0.62  0.130 / 0.260
G31     55.1           15.0                9.4 +/-    3.68      23.5 +/-    3.68  0.330 / 0.180