PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-17:57:40
G02     79.9           16.2               11.6 +/-    1.55      28.1 +/-    1.55  0.060 / 0.130
G05     44.6           40.3               11.2 +/-    1.06      16.3 +/-    1.06  0.050 / 0.130
G13     106.7          31.2               12.9 +/-    1.29      22.1 +/-    1.29  0.050 / 0.060
G15     148.2          33.5               15.0 +/-    0.36      24.5 +/-    0.36  0.050 / 0.070
G18     228.2          23.5               14.9 +/-    2.36      30.1 +/-    2.36  0.110 / 0.240
G20     277.3          85.3               11.7 +/-    0.81      11.7 +/-    0.81  0.100 / 0.280
G21     293.4          34.5               11.7 +/-    1.16      18.7 +/-    1.16  0.040 / 0.050
G25     210.3          29.3               12.2 +/-    1.11      21.7 +/-    1.11  0.040 / 0.040
G26     313.9          13.6               -4.9 +/-   40.52     -12.6 +/-   40.52  0.060 / 0.160
G29     29.8           84.2               11.9 +/-    0.63      11.9 +/-    0.63  0.060 / 0.170