PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-14:57:50
G10     269.7          41.3                9.2 +/-    0.86      13.0 +/-    0.86  0.110 / 0.250
G13     40.6           15.6                5.6 +/-    1.57      13.7 +/-    1.57  0.290 / 0.250
G15     55.1           44.3                6.5 +/-    0.94       8.9 +/-    0.94  0.060 / 0.090
G20     307.3          62.9                6.8 +/-    0.62       7.5 +/-    0.62  0.070 / 0.110
G21     10.5           72.8                6.5 +/-    0.60       6.7 +/-    0.60  0.040 / 0.040
G24     120.7          15.1                9.5 +/-    2.06      23.6 +/-    2.06  0.040 / 0.040
G27     318.0          20.3                4.2 +/-    1.95       9.2 +/-    1.95  0.100 / 0.470
G29     167.6          30.5                9.8 +/-    0.88      17.0 +/-    0.88  0.100 / 0.280
G32     203.7          12.0               -0.2 +/-   26.68      -0.6 +/-   26.68  0.060 / 0.070