PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-22:28:10
G02     246.3          77.2               11.9 +/-    0.73      12.1 +/-    0.73  0.060 / 0.050
G05     170.4          18.0               16.4 +/-    0.66      37.8 +/-    0.66  0.050 / 0.060
G06     40.5           56.0               11.9 +/-    0.53      14.1 +/-    0.53  0.080 / 0.130
G12     321.8          54.5               11.2 +/-    1.03      13.4 +/-    1.03  0.080 / 0.100
G17     71.0           23.5               10.7 +/-    0.43      21.6 +/-    0.43  0.060 / 0.160
G19     57.2           39.3               11.1 +/-    0.58      16.4 +/-    0.58  0.050 / 0.230
G24     243.3          33.9               13.7 +/-    1.43      22.2 +/-    1.43  0.030 / 0.040
G25     316.9          13.0                9.5 +/-    1.25      24.8 +/-    1.25  0.030 / 0.040