PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-23:42:50
G10     270.6          40.4               16.3 +/-    1.54      23.6 +/-    1.54  0.110 / 0.210
G13     40.4           15.6               10.1 +/-    2.60      24.9 +/-    2.60  0.110 / 0.200
G15     58.0           49.3               11.6 +/-    0.46      14.7 +/-    0.46  0.040 / 0.040
G16     274.3          11.2               14.5 +/-    2.87      39.4 +/-    2.87  0.040 / 0.040
G20     273.8          36.8                9.4 +/-    0.84      14.4 +/-    0.84  0.140 / 0.520
G21     7.9            73.4               13.4 +/-    0.59      13.9 +/-    0.59  0.120 / 0.650
G24     116.1          16.2               13.2 +/-    1.02      31.7 +/-    1.02  0.080 / 0.220
G27     317.2          21.2               10.2 +/-    4.39      21.7 +/-    4.39  0.090 / 0.220
G29     168.7          28.9               15.3 +/-    2.29      27.4 +/-    2.29  0.130 / 0.580
G32     204.3          13.7               20.6 +/-    2.00      52.8 +/-    2.00  0.140 / 0.450