PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-21:27:30
G10     264.8          37.1               17.0 +/-    0.95      26.0 +/-    0.95  0.060 / 0.040
G13     42.8           19.6               10.0 +/-    1.55      22.2 +/-    1.55  0.080 / 0.060
G15     66.9           55.3               14.0 +/-    0.68      16.6 +/-    0.68  0.130 / 0.240
G16     280.2          12.9               15.6 +/-    1.46      40.7 +/-    1.46  0.130 / 0.200
G20     293.6          59.3               14.6 +/-    0.87      16.7 +/-    0.87  0.160 / 0.370
G21     357.8          70.4               13.9 +/-    0.43      14.6 +/-    0.43  0.120 / 0.350
G24     119.9          13.3               17.9 +/-    1.61      46.4 +/-    1.61  0.070 / 0.210
G27     319.9          16.4               11.1 +/-    2.17      26.6 +/-    2.17  0.080 / 0.260
G29     167.8          34.0               19.0 +/-    0.54      30.7 +/-    0.54  0.150 / 0.390