PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-02:42:50
G10     291.3          49.7               12.7 +/-    0.79      16.1 +/-    0.79  0.070 / 0.090
G15     47.4           33.8                7.9 +/-    0.59      12.9 +/-    0.59  0.090 / 0.110
G20     319.7          61.9               11.1 +/-    1.00      12.4 +/-    1.00  0.040 / 0.060
G21     77.6           76.8               12.2 +/-    0.99      12.5 +/-    0.99  0.040 / 0.050
G24     100.9          24.7               10.3 +/-    0.79      20.2 +/-    0.79  0.040 / 0.050
G27     304.8          32.2               12.2 +/-    1.66      20.5 +/-    1.66  0.040 / 0.050
G29     168.8          12.3               12.0 +/-    2.83      31.9 +/-    2.83  0.090 / 0.120
G32     208.6          29.6               16.1 +/-    1.64      28.4 +/-    1.64  0.100 / 0.150