PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-03:27:40
G10     247.7          24.1               13.6 +/-    1.42      27.1 +/-    1.42  0.110 / 0.270
G13     57.0           31.8                9.1 +/-    1.83      15.3 +/-    1.83  0.120 / 0.260
G15     94.6           58.0               10.2 +/-    1.34      11.8 +/-    1.34  0.030 / 0.040
G16     298.2          15.8                7.3 +/-    1.65      17.7 +/-    1.65  0.040 / 0.050
G20     273.1          57.4               11.5 +/-    1.85      13.4 +/-    1.85  0.070 / 0.130
G21     328.8          57.3               11.9 +/-    0.55      13.9 +/-    0.55  0.060 / 0.120
G26     269.7          17.0               11.5 +/-    1.08      27.1 +/-    1.08  0.030 / 0.040
G29     164.2          54.7               11.3 +/-    0.61      13.5 +/-    0.61  0.030 / 0.030