PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/03-21:42:50
G05     48.8           20.1               14.1 +/-    0.64      30.9 +/-    0.64  0.120 / 0.240
G10     237.8          13.2               26.9 +/-    2.39      69.7 +/-    2.39  0.130 / 0.280
G13     74.7           37.4               18.8 +/-    0.54      28.6 +/-    0.54  0.060 / 0.070
G15     121.9          53.4               23.7 +/-    1.05      28.7 +/-    1.05  0.040 / 0.070
G16     314.6          11.5               14.5 +/-    2.14      39.0 +/-    2.14  0.140 / 0.500
G18     247.7          43.7               25.3 +/-    0.98      34.8 +/-    0.98  0.140 / 0.520
G20     30.7           63.5               19.9 +/-    0.62      22.0 +/-    0.62  0.060 / 0.170
G21     315.7          49.3               19.6 +/-    0.96      24.9 +/-    0.96  0.060 / 0.160
G26     288.1          19.3               19.4 +/-    2.03      43.4 +/-    2.03  0.050 / 0.110
G29     155.7          65.9               21.9 +/-    1.24      23.8 +/-    1.24  0.050 / 0.130