PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-16:42:40
G01     128.4          10.7               10.6 +/-   44.76      29.1 +/-   44.76  0.040 / 0.050
G07     46.5           69.8               18.8 +/-    0.55      19.9 +/-    0.55  0.050 / 0.040
G08     52.8           42.4               17.1 +/-    0.85      23.9 +/-    0.85  0.030 / 0.030
G09     178.2          37.6               19.4 +/-    0.82      29.4 +/-    0.82  0.030 / 0.030
G11     120.8          34.2               19.8 +/-    2.02      31.8 +/-    2.02  0.030 / 0.030
G17     200.6          11.2                1.6 +/-   32.47       4.3 +/-   32.47  0.030 / 0.040
G18     105.6          15.8               21.0 +/-    2.33      51.3 +/-    2.33  0.220 / 0.300
G28     274.0          52.1               19.7 +/-    2.74      24.2 +/-    2.74  0.200 / 0.300
G30     331.8          59.6               16.7 +/-    0.56      19.1 +/-    0.56  0.140 / 0.280