PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-16:12:40
G01     40.5           15.4                8.2 +/-    1.56      20.2 +/-    1.56  0.080 / 0.130
G06     172.7          42.3               10.0 +/-    0.64      14.0 +/-    0.64  0.060 / 0.110
G13     236.3          21.1                9.1 +/-    3.28      19.4 +/-    3.28  0.120 / 0.330
G15     272.4          11.4                9.7 +/-    1.86      26.2 +/-    1.86  0.260 / 0.160
G17     5.0            69.2                9.8 +/-    0.66      10.4 +/-    0.66  0.150 / 0.210
G19     275.1          67.3               10.0 +/-    0.46      10.7 +/-    0.46  0.150 / 0.400
G24     315.6          21.6                8.6 +/-    2.62      18.3 +/-    2.62  0.300 / 0.270
G28     73.3           46.2                9.8 +/-    1.71      13.0 +/-    1.71  0.310 / 0.380
G30     155.3          27.1                9.7 +/-    1.25      18.0 +/-    1.25  0.050 / 0.060