PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-22:43:00
G01     297.2          38.2                8.5 +/-    1.51      12.8 +/-    1.51  0.050 / 0.090
G03     309.8          11.9                3.2 +/-   29.34       8.6 +/-   29.34  0.050 / 0.100
G10     115.2          33.6               11.7 +/-    1.00      19.1 +/-    1.00  0.090 / 0.070
G11     270.7          27.8                9.8 +/-    0.92      18.1 +/-    0.92  0.050 / 0.070
G14     17.2           61.4                9.5 +/-    0.95      10.7 +/-    0.95  0.030 / 0.030
G22     312.4          32.8                7.9 +/-    2.09      13.0 +/-    2.09  0.020 / 0.020
G25     71.3           18.3               10.0 +/-    1.07      23.0 +/-    1.07  0.080 / 0.140
G31     162.6          73.1               11.4 +/-    0.46      11.8 +/-    0.46  0.100 / 0.160
G32     44.3           47.2                8.9 +/-    0.80      11.7 +/-    0.80  0.060 / 0.040