PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-18:27:50
G01     68.9           32.7               14.7 +/-    0.74      24.4 +/-    0.74  0.090 / 0.330
G07     138.4          29.9               17.4 +/-    1.25      30.6 +/-    1.25  0.080 / 0.310
G11     52.9           30.0               14.1 +/-    0.76      24.6 +/-    0.76  0.080 / 0.130
G13     272.5          37.3               16.0 +/-    1.40      24.3 +/-    1.40  0.070 / 0.150
G15     302.0          15.1                9.7 +/-    1.83      24.0 +/-    1.83  0.040 / 0.040
G17     235.4          68.1               16.9 +/-    0.88      18.1 +/-    0.88  0.050 / 0.050
G18     47.9           17.6               10.6 +/-    0.78      24.7 +/-    0.78  0.030 / 0.050
G19     225.4          41.6               19.9 +/-    0.66      28.3 +/-    0.66  0.030 / 0.050
G28     22.6           58.9               14.8 +/-    0.23      16.9 +/-    0.23  0.060 / 0.150
G30     137.2          59.9               18.4 +/-    0.99      20.9 +/-    0.99  0.060 / 0.180