PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-04:58:10
G01     269.9          40.9                6.3 +/-    1.49       9.0 +/-    1.49  0.050 / 0.080
G03     315.5          27.5                4.3 +/-    1.68       8.0 +/-    1.68  0.060 / 0.110
G10     129.9          17.6                6.9 +/-    1.07      16.0 +/-    1.07  0.070 / 0.080
G11     247.8          20.9                6.4 +/-    2.67      13.7 +/-    2.67  0.070 / 0.100
G14     45.6           48.5                5.3 +/-    0.61       6.8 +/-    0.61  0.040 / 0.060
G22     314.1          52.0                6.0 +/-    0.94       7.3 +/-    0.94  0.040 / 0.060
G25     48.7           14.6                3.3 +/-    1.28       8.2 +/-    1.28  0.060 / 0.210
G26     149.8          24.2                8.1 +/-    1.68      16.2 +/-    1.68  0.070 / 0.190
G31     55.4           75.0                6.1 +/-    0.80       6.3 +/-    0.80  0.040 / 0.070
G32     63.3           33.9                4.2 +/-    1.27       6.9 +/-    1.27  0.040 / 0.070