PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-04:43:00
G01     272.3          41.1                7.5 +/-    2.08      10.7 +/-    2.08  0.060 / 0.060
G03     315.2          26.0                5.6 +/-    1.26      10.6 +/-    1.26  0.060 / 0.060
G10     128.9          19.0                5.5 +/-    2.75      12.4 +/-    2.75  0.080 / 0.060
G11     249.4          21.7                8.4 +/-    1.88      17.7 +/-    1.88  0.050 / 0.070
G14     43.7           49.5                4.8 +/-    0.59       6.1 +/-    0.59  0.030 / 0.060
G22     314.3          50.4                5.3 +/-    1.24       6.7 +/-    1.24  0.030 / 0.060
G25     50.3           15.2                5.6 +/-    3.46      13.8 +/-    3.46  0.020 / 0.020
G26     151.0          22.7                6.1 +/-    1.10      12.6 +/-    1.10  0.030 / 0.020
G31     60.4           76.7                6.7 +/-    0.62       6.9 +/-    0.62  0.070 / 0.040
G32     61.8           35.0                5.7 +/-    2.61       9.0 +/-    2.61  0.060 / 0.040