PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/26-23:57:40
G02     68.1           26.1                7.8 +/-    0.70      15.0 +/-    0.70  0.090 / 0.210
G05     47.9           50.4                7.5 +/-    0.61       9.4 +/-    0.61  0.090 / 0.180
G12     181.2          19.9               13.4 +/-    2.82      29.4 +/-    2.82  0.030 / 0.060
G13     119.0          22.5               13.3 +/-    1.69      27.6 +/-    1.69  0.030 / 0.060
G15     159.0          20.4               14.9 +/-    2.03      32.5 +/-    2.03  0.080 / 0.220
G21     279.9          23.2               11.3 +/-    1.89      23.0 +/-    1.89  0.100 / 0.270
G25     223.6          43.3               11.8 +/-    1.79      16.3 +/-    1.79  0.060 / 0.090
G26     319.5          10.4              -17.5 +/-   25.53     -48.5 +/-   25.53  0.050 / 0.090
G29     334.5          64.3                9.9 +/-    0.67      10.8 +/-    0.67  0.070 / 0.280