PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-03:27:40
G03     215.7          58.7                6.7 +/-    1.38       7.7 +/-    1.38  0.060 / 0.070
G07     257.4          16.3                4.8 +/-    2.72      11.5 +/-    2.72  0.050 / 0.050
G09     312.5          33.8                3.0 +/-    0.64       4.8 +/-    0.64  0.110 / 0.270
G16     93.1           63.8                6.8 +/-    1.11       7.4 +/-    1.11  0.120 / 0.210
G22     190.0          42.5                8.0 +/-    0.41      11.1 +/-    0.41  0.210 / 0.300
G23     328.4          58.6                5.5 +/-    0.63       6.3 +/-    0.63  0.240 / 0.340
G26     53.6           43.1                5.3 +/-    1.09       7.4 +/-    1.09  0.050 / 0.040
G27     135.5          10.2               -8.5 +/-   23.82     -23.7 +/-   23.82  0.050 / 0.040
G31     59.3           10.6                4.0 +/-    2.06      11.1 +/-    2.06  0.050 / 0.090