PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-03:12:50
G01     315.5          24.4                7.3 +/-    1.19      14.6 +/-    1.19  0.090 / 0.190
G10     90.5           49.5                7.2 +/-    0.36       9.2 +/-    0.36  0.080 / 0.180
G11     293.8          27.7                6.0 +/-    1.62      11.0 +/-    1.62  0.030 / 0.030
G14     328.1          71.1                7.2 +/-    0.80       7.5 +/-    0.80  0.030 / 0.040
G18     107.9          24.3                6.1 +/-    1.27      12.2 +/-    1.27  0.040 / 0.050
G22     304.2          16.1                5.0 +/-    2.62      12.2 +/-    2.62  0.040 / 0.070
G25     90.5           11.8                5.9 +/-    1.87      15.9 +/-    1.87  0.170 / 0.340
G31     175.3          49.8                8.7 +/-    1.06      11.0 +/-    1.06  0.110 / 0.250
G32     16.9           63.1                6.0 +/-    0.58       6.7 +/-    0.58  0.030 / 0.060