PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-22:58:10
G10     270.4          39.4               20.0 +/-    0.97      29.4 +/-    0.97  0.130 / 0.200
G13     41.1           17.4               14.0 +/-    0.83      32.8 +/-    0.83  0.090 / 0.200
G15     56.4           46.9               16.7 +/-    0.63      21.9 +/-    0.63  0.040 / 0.040
G16     278.9          10.2               17.0 +/-    2.38      47.1 +/-    2.38  0.050 / 0.050
G18     307.6          65.2               16.3 +/-    0.99      17.8 +/-    0.99  0.090 / 0.480
G20     57.2           31.6               14.1 +/-    1.39      23.9 +/-    1.39  0.100 / 0.540
G21     15.2           74.2               17.3 +/-    0.75      17.9 +/-    0.75  0.140 / 0.280
G24     118.7          15.9               22.5 +/-    3.85      54.9 +/-    3.85  0.120 / 0.330
G27     316.0          22.8               13.8 +/-    1.79      28.4 +/-    1.79  0.060 / 0.130
G29     166.9          24.3               19.6 +/-    1.22      38.8 +/-    1.22  0.060 / 0.120