PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-23:12:50
G01     269.2          40.7                7.4 +/-    0.94      10.7 +/-    0.94  0.060 / 0.060
G03     315.8          29.5                6.7 +/-    1.26      11.8 +/-    1.26  0.050 / 0.060
G10     130.4          16.7                9.2 +/-    1.61      21.9 +/-    1.61  0.050 / 0.070
G11     249.2          20.2                9.1 +/-    0.96      19.9 +/-    0.96  0.050 / 0.090
G14     45.4           48.8                7.5 +/-    1.02       9.6 +/-    1.02  0.030 / 0.030
G22     313.9          51.7                6.9 +/-    0.80       8.6 +/-    0.80  0.030 / 0.030
G25     50.6           16.0                6.0 +/-    2.15      14.5 +/-    2.15  0.160 / 0.280
G26     150.2          24.5               11.5 +/-    1.66      22.8 +/-    1.66  0.140 / 0.430
G31     56.0           76.5                7.7 +/-    0.58       7.9 +/-    0.58  0.040 / 0.070
G32     64.1           33.3                6.7 +/-    0.42      10.9 +/-    0.42  0.040 / 0.070