PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-22:13:00
G10     263.9          37.7               10.0 +/-    2.27      15.1 +/-    2.27  0.120 / 0.470
G13     43.1           19.6                7.4 +/-    2.18      16.4 +/-    2.18  0.110 / 0.410
G15     63.1           51.4                8.4 +/-    0.88      10.5 +/-    0.88  0.040 / 0.040
G16     282.2          13.5                7.7 +/-    2.67      19.9 +/-    2.67  0.040 / 0.050
G20     292.2          58.8                8.6 +/-    1.22       9.9 +/-    1.22  0.130 / 0.230
G21     354.1          69.1                9.0 +/-    0.68       9.6 +/-    0.68  0.110 / 0.420
G24     124.3          12.2               10.2 +/-    2.73      27.2 +/-    2.73  0.030 / 0.040
G27     320.3          15.8                7.6 +/-    1.75      18.4 +/-    1.75  0.030 / 0.030
G29     166.6          34.8                9.9 +/-    1.39      15.8 +/-    1.39  0.100 / 0.080