PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-21:58:10
G01     259.1          38.8                9.9 +/-    1.03      14.7 +/-    1.03  0.040 / 0.100
G03     316.6          36.7                7.7 +/-    0.92      11.8 +/-    0.92  0.050 / 0.100
G11     241.3          15.3                8.5 +/-    2.25      21.0 +/-    2.25  0.050 / 0.060
G14     53.4           44.5                5.4 +/-    0.57       7.3 +/-    0.57  0.040 / 0.050
G22     310.9          59.1                6.4 +/-    1.14       7.3 +/-    1.14  0.070 / 0.100
G23     280.9          13.7               -0.5 +/-   13.30      -1.3 +/-   13.30  0.070 / 0.080
G25     41.2           10.1                5.5 +/-    1.89      15.3 +/-    1.89  0.150 / 0.340
G26     143.6          31.8                9.3 +/-    0.82      15.7 +/-    0.82  0.110 / 0.320
G31     44.5           68.4                7.0 +/-    0.62       7.5 +/-    0.62  0.060 / 0.120
G32     71.3           27.4                5.9 +/-    0.76      10.9 +/-    0.76  0.060 / 0.080