PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-17:13:10
G10     297.2          52.0                8.8 +/-    1.60      10.8 +/-    1.60  0.230 / 0.370
G14     209.9          11.7               -3.0 +/-   21.96      -8.0 +/-   21.96  0.230 / 0.300
G15     46.5           30.4                7.1 +/-    1.28      12.4 +/-    1.28  0.110 / 0.140
G20     351.7          65.4                9.2 +/-    0.36      10.1 +/-    0.36  0.090 / 0.120
G21     99.2           72.2               10.2 +/-    0.89      10.7 +/-    0.89  0.040 / 0.040
G24     93.3           25.8               10.1 +/-    1.17      19.4 +/-    1.17  0.040 / 0.030
G27     302.9          32.6                7.0 +/-    1.19      11.6 +/-    1.19  0.070 / 0.080
G32     210.4          31.2               10.2 +/-    1.61      17.4 +/-    1.61  0.060 / 0.090