PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-14:42:30
G10     289.2          50.0                6.1 +/-    0.64       7.7 +/-    0.64  0.060 / 0.080
G15     46.9           30.7                3.5 +/-    0.68       6.0 +/-    0.68  0.070 / 0.100
G20     344.5          65.5                4.0 +/-    0.95       4.4 +/-    0.95  0.090 / 0.170
G21     72.1           76.1                7.7 +/-    0.77       7.9 +/-    0.77  0.100 / 0.210
G24     106.7          23.6                7.6 +/-    1.27      15.3 +/-    1.27  0.070 / 0.040
G27     307.6          31.0                5.2 +/-    1.34       8.9 +/-    1.34  0.060 / 0.040
G29     168.3          15.1                6.6 +/-    2.98      16.4 +/-    2.98  0.120 / 0.210
G32     207.0          26.7                4.1 +/-    2.60       7.7 +/-    2.60  0.120 / 0.250