PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-09:57:30
G03     242.9          68.7                6.8 +/-    0.83       7.2 +/-    0.83  0.040 / 0.050
G09     303.2          18.5                3.5 +/-    0.86       7.9 +/-    0.86  0.040 / 0.060
G14     97.8           17.7                3.9 +/-    1.36       9.1 +/-    1.36  0.040 / 0.060
G16     124.1          58.5                6.7 +/-    0.50       7.7 +/-    0.50  0.040 / 0.050
G22     194.0          55.7                7.0 +/-    1.09       8.3 +/-    1.09  0.110 / 0.380
G23     319.8          49.8                3.5 +/-    0.49       4.5 +/-    0.49  0.120 / 0.410
G26     68.5           50.6                5.6 +/-    0.37       7.0 +/-    0.37  0.040 / 0.050
G31     52.3           18.5                2.5 +/-    0.60       5.6 +/-    0.60  0.040 / 0.050