PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-22:43:00
G10     295.2          51.1               10.3 +/-    2.18      12.9 +/-    2.18  0.050 / 0.090
G15     47.3           34.8                9.0 +/-    1.01      14.4 +/-    1.01  0.060 / 0.090
G20     348.3          65.4                8.0 +/-    0.59       8.7 +/-    0.59  0.090 / 0.150
G21     90.0           75.2               10.1 +/-    0.63      10.4 +/-    0.63  0.090 / 0.140
G24     96.9           25.7               12.0 +/-    1.06      23.1 +/-    1.06  0.050 / 0.040
G27     303.0          32.9                8.5 +/-    2.46      14.0 +/-    2.46  0.040 / 0.030
G32     209.6          31.6               12.4 +/-    1.62      21.0 +/-    1.62  0.050 / 0.070