PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/17-03:12:50
G01     282.7          41.2                5.3 +/-    0.96       7.5 +/-    0.96  0.060 / 0.080
G03     313.4          19.8                4.4 +/-    1.06       9.8 +/-    1.06  0.050 / 0.090
G10     124.0          25.0                6.0 +/-    1.71      11.7 +/-    1.71  0.070 / 0.090
G11     257.1          24.9                8.1 +/-    1.40      15.9 +/-    1.40  0.060 / 0.090
G14     34.5           54.1                5.7 +/-    0.48       6.8 +/-    0.48  0.050 / 0.060
G22     314.4          43.1                4.8 +/-    1.08       6.7 +/-    1.08  0.040 / 0.060
G25     58.0           17.3                4.3 +/-    0.55      10.2 +/-    0.55  0.030 / 0.030
G26     156.0          16.3                8.1 +/-    1.03      19.5 +/-    1.03  0.030 / 0.030
G31     105.1          81.2                5.6 +/-    0.67       5.6 +/-    0.67  0.050 / 0.160
G32     54.4           40.5                4.1 +/-    0.85       5.9 +/-    0.85  0.050 / 0.140