PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-16:57:50
G10     260.3          35.6               11.0 +/-    0.84      17.2 +/-    0.84  0.090 / 0.190
G13     45.1           22.0                8.1 +/-    1.39      17.0 +/-    1.39  0.090 / 0.180
G15     65.8           51.9               10.3 +/-    0.32      12.6 +/-    0.32  0.230 / 0.330
G16     284.7          14.6                6.4 +/-    2.46      16.2 +/-    2.46  0.050 / 0.050
G20     288.7          58.6               11.2 +/-    1.02      12.9 +/-    1.02  0.040 / 0.050
G21     349.2          67.0                9.3 +/-    0.68      10.0 +/-    0.68  0.150 / 0.380
G24     127.8          10.0              -15.5 +/-   26.14     -43.3 +/-   26.14  0.130 / 0.370
G26     258.9          11.0                9.8 +/-    2.86      26.8 +/-    2.86  0.040 / 0.060
G27     321.3          13.3                7.2 +/-    4.15      18.8 +/-    4.15  0.040 / 0.090
G29     166.4          39.7               12.5 +/-    0.27      18.2 +/-    0.27  0.070 / 0.290