PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-15:12:50
G03     313.8          53.0                7.3 +/-    0.76       8.9 +/-    0.76  0.060 / 0.090
G14     63.8           39.9                7.6 +/-    1.42      11.1 +/-    1.42  0.050 / 0.100
G16     159.9          23.6                2.8 +/-   17.30       5.7 +/-   17.30  0.270 / 0.210
G18     218.0          23.7               10.5 +/-    3.93      21.2 +/-    3.93  0.220 / 0.360
G22     289.8          74.0                7.7 +/-    0.60       7.9 +/-    0.60  0.030 / 0.020
G23     292.1          25.3                6.9 +/-    1.12      13.4 +/-    1.12  0.040 / 0.030
G26     129.1          42.7               11.1 +/-    0.95      15.5 +/-    0.95  0.080 / 0.150
G31     40.7           51.4                8.6 +/-    0.41      10.7 +/-    0.41  0.130 / 0.170
G32     82.4           18.5                7.0 +/-    2.18      16.1 +/-    2.18  0.070 / 0.060