PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-16:27:50
G10     299.4          52.7                8.9 +/-    1.89      10.9 +/-    1.89  0.100 / 0.440
G14     210.2          13.1               10.6 +/-    2.17      27.7 +/-    2.17  0.100 / 0.510
G15     46.2           28.6                7.7 +/-    1.20      13.8 +/-    1.20  0.100 / 0.120
G20     355.2          65.3                9.3 +/-    0.59      10.2 +/-    0.59  0.080 / 0.140
G21     103.9          70.8               11.0 +/-    0.31      11.6 +/-    0.31  0.030 / 0.030
G24     91.4           26.2               10.8 +/-    2.40      20.6 +/-    2.40  0.040 / 0.030
G27     301.6          33.1                7.1 +/-    1.45      11.7 +/-    1.45  0.050 / 0.080
G32     211.0          32.3               10.5 +/-    1.66      17.6 +/-    1.66  0.070 / 0.090