PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-18:28:00
G05     51.7           12.3               20.3 +/-    2.01      53.7 +/-    2.01  0.120 / 0.230
G10     241.9          17.9               25.5 +/-    1.99      59.1 +/-    1.99  0.130 / 0.300
G13     66.6           35.9               22.2 +/-    1.07      34.6 +/-    1.07  0.050 / 0.070
G15     107.9          56.2               26.0 +/-    0.33      30.6 +/-    0.33  0.060 / 0.060
G16     311.2          12.0               20.9 +/-    2.71      55.8 +/-    2.71  0.110 / 0.180
G18     255.0          49.4               25.8 +/-    0.63      32.7 +/-    0.63  0.160 / 0.220
G20     33.9           59.2               23.4 +/-    0.44      26.7 +/-    0.44  0.040 / 0.040
G21     324.1          54.8               30.6 +/-    1.05      36.5 +/-    1.05  0.040 / 0.060
G26     283.7          18.0               24.2 +/-    1.01      56.0 +/-    1.01  0.180 / 0.470
G29     157.6          56.2               26.8 +/-    0.81      31.5 +/-    0.81  0.170 / 0.430