PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-15:27:50
G10     286.6          49.0                6.8 +/-    3.80       8.7 +/-    3.80  0.130 / 0.100
G15     47.5           32.7                4.8 +/-    2.17       8.0 +/-    2.17  0.090 / 0.100
G20     339.1          65.5                7.7 +/-    0.57       8.4 +/-    0.57  0.220 / 0.250
G21     62.4           76.6                8.6 +/-    1.27       8.8 +/-    1.27  0.170 / 0.380
G24     108.6          22.7                8.4 +/-    1.70      17.4 +/-    1.70  0.040 / 0.040
G27     309.2          29.9                6.1 +/-    1.77      10.6 +/-    1.77  0.040 / 0.040
G29     168.3          16.9               10.0 +/-    1.77      23.7 +/-    1.77  0.160 / 0.070
G32     206.5          24.8               10.0 +/-    1.89      19.7 +/-    1.89  0.170 / 0.080