PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-23:42:40
G02     264.4          80.3               10.9 +/-    0.52      11.1 +/-    0.52  0.040 / 0.050
G05     168.8          21.6               15.6 +/-    0.96      32.9 +/-    0.96  0.050 / 0.050
G06     40.1           52.4               11.0 +/-    0.33      13.5 +/-    0.33  0.060 / 0.150
G12     321.2          57.9               10.9 +/-    1.30      12.6 +/-    1.30  0.050 / 0.120
G17     73.9           21.9               10.9 +/-    1.22      22.9 +/-    1.22  0.140 / 0.420
G19     61.4           36.6               11.9 +/-    0.76      18.4 +/-    0.76  0.130 / 0.410
G24     239.7          31.6               15.7 +/-    1.42      26.5 +/-    1.42  0.030 / 0.080
G25     317.4          16.2                8.9 +/-    3.05      21.6 +/-    3.05  0.040 / 0.040