PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-03:28:00
G10     302.0          53.3                9.3 +/-    0.92      11.3 +/-    0.92  0.040 / 0.040
G14     211.6          11.9                7.4 +/-   26.52      19.9 +/-   26.52  0.040 / 0.050
G15     45.9           26.9                5.6 +/-    1.40      10.5 +/-    1.40  0.090 / 0.090
G20     345.6          64.9                9.2 +/-    0.76      10.1 +/-    0.76  0.080 / 0.080
G21     104.4          72.9                9.6 +/-    0.89      10.0 +/-    0.89  0.120 / 0.490
G24     93.1           27.5                9.5 +/-    1.24      17.5 +/-    1.24  0.100 / 0.400
G27     296.9          35.5                9.0 +/-    1.34      14.2 +/-    1.34  0.080 / 0.160
G32     211.7          36.9               12.7 +/-    1.47      19.4 +/-    1.47  0.070 / 0.140