PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-01:58:10
G10     257.8          32.2               11.5 +/-    2.65      19.2 +/-    2.65  0.170 / 0.320
G13     47.2           24.9                9.4 +/-    2.49      18.5 +/-    2.49  0.150 / 0.260
G15     73.6           55.9                9.0 +/-    0.60      10.7 +/-    0.60  0.250 / 0.190
G16     286.5          14.7                6.0 +/-    3.60      15.0 +/-    3.60  0.390 / 0.470
G20     275.0          49.8                7.6 +/-    2.55       9.6 +/-    2.55  0.040 / 0.040
G21     343.3          65.2                9.1 +/-    0.55       9.9 +/-    0.55  0.040 / 0.040
G26     259.1          12.2               10.4 +/-    4.38      27.8 +/-    4.38  0.050 / 0.060
G27     321.8          11.5               -8.4 +/-   26.25     -22.7 +/-   26.25  0.050 / 0.060
G29     167.1          42.0               10.9 +/-    0.35      15.4 +/-    0.35  0.160 / 0.150