PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-03:57:40
G01     269.8          40.8                8.9 +/-    2.59      12.7 +/-    2.59  0.140 / 0.120
G03     315.6          27.7                6.3 +/-    2.57      11.7 +/-    2.57  0.090 / 0.100
G10     130.0          17.4                8.3 +/-    1.19      19.5 +/-    1.19  0.040 / 0.050
G11     248.0          20.7                9.4 +/-    1.38      20.4 +/-    1.38  0.060 / 0.060
G14     45.7           48.4                7.5 +/-    0.91       9.7 +/-    0.91  0.060 / 0.040
G22     314.0          51.8                8.0 +/-    0.79       9.9 +/-    0.79  0.050 / 0.040
G25     49.1           14.9                6.8 +/-    2.04      17.1 +/-    2.04  0.060 / 0.160
G26     150.3          24.0               11.4 +/-    1.95      22.7 +/-    1.95  0.130 / 0.180
G31     55.9           75.7                9.1 +/-    0.41       9.4 +/-    0.41  0.030 / 0.030
G32     63.1           34.3                6.7 +/-    2.12      10.8 +/-    2.12  0.030 / 0.030