PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/23-01:12:50
G08     313.4          17.1               11.5 +/-    1.48      27.2 +/-    1.48  0.070 / 0.060
G10     318.4          57.3               13.5 +/-    1.02      15.7 +/-    1.02  0.050 / 0.090
G14     215.0          26.5               16.6 +/-    2.47      31.3 +/-    2.47  0.080 / 0.200
G15     45.8           17.5               10.4 +/-    0.89      24.4 +/-    0.89  0.080 / 0.160
G18     25.5           62.4               13.1 +/-    0.40      14.6 +/-    0.40  0.030 / 0.050
G21     126.4          62.6               13.9 +/-    0.98      15.5 +/-    0.98  0.040 / 0.040
G24     83.2           30.3               14.0 +/-    0.68      24.4 +/-    0.68  0.060 / 0.090
G27     281.4          38.1               13.2 +/-    0.71      19.7 +/-    0.71  0.060 / 0.090
G32     218.7          44.2               16.7 +/-    1.03      22.7 +/-    1.03  0.090 / 0.160