PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-02:28:00
G01     317.2          21.5                8.1 +/-    3.05      17.2 +/-    3.05  0.160 / 0.320
G08     252.2          10.9               17.0 +/-    2.01      46.6 +/-    2.01  0.150 / 0.310
G10     85.3           51.7               15.1 +/-    1.40      18.7 +/-    1.40  0.040 / 0.040
G11     297.7          26.4                5.8 +/-    2.01      11.1 +/-    2.01  0.040 / 0.040
G14     316.0          71.6               11.9 +/-    2.00      12.5 +/-    2.00  0.060 / 0.050
G18     105.0          26.7               13.5 +/-    1.37      25.4 +/-    1.37  0.050 / 0.040
G22     302.4          13.2                5.7 +/-    5.05      14.7 +/-    5.05  0.030 / 0.050
G25     94.2           10.3                3.0 +/-   22.08       8.4 +/-   22.08  0.040 / 0.030
G31     176.6          45.3               15.7 +/-    0.50      21.1 +/-    0.50  0.110 / 0.170
G32     9.8            65.9               10.5 +/-    0.96      11.4 +/-    0.96  0.100 / 0.200