PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-00:12:50
G05     49.6           15.0                8.0 +/-    2.41      19.9 +/-    2.41  0.130 / 0.200
G10     237.5          13.9               13.7 +/-    2.68      34.8 +/-    2.68  0.120 / 0.260
G13     73.1           36.1               11.1 +/-    1.01      17.3 +/-    1.01  0.080 / 0.070
G15     124.7          53.4               13.8 +/-    0.86      16.8 +/-    0.86  0.040 / 0.070
G16     311.2          13.9                9.2 +/-    2.07      23.4 +/-    2.07  0.050 / 0.100
G20     246.0          25.6               10.6 +/-    1.11      20.4 +/-    1.11  0.060 / 0.110
G21     314.3          47.6               10.9 +/-    1.03      14.2 +/-    1.03  0.150 / 0.260
G26     283.8          20.7               11.6 +/-    2.50      25.1 +/-    2.50  0.090 / 0.300
G29     157.9          71.3               11.9 +/-    0.31      12.5 +/-    0.31  0.040 / 0.040