PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-03:27:50
G10     247.7          24.1               12.1 +/-    1.55      24.1 +/-    1.55  0.130 / 0.590
G13     57.0           31.8               10.0 +/-    0.76      16.9 +/-    0.76  0.160 / 0.560
G15     94.6           58.0               11.2 +/-    0.60      13.0 +/-    0.60  0.040 / 0.060
G16     298.2          15.8                7.7 +/-    3.79      18.8 +/-    3.79  0.030 / 0.050
G20     273.1          57.4               13.1 +/-    0.86      15.3 +/-    0.86  0.050 / 0.120
G21     328.8          57.3               11.5 +/-    0.85      13.4 +/-    0.85  0.060 / 0.120
G26     269.7          17.0               12.3 +/-    1.41      29.0 +/-    1.41  0.030 / 0.040
G29     164.2          54.7               12.2 +/-    1.36      14.6 +/-    1.36  0.030 / 0.040