PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-02:27:40
G05     47.4           20.3                5.4 +/-    3.51      11.8 +/-    3.51  0.340 / 0.260
G13     82.8           36.4                9.7 +/-    1.85      15.0 +/-    1.85  0.160 / 0.400
G15     132.8          48.4               10.2 +/-    0.67      13.1 +/-    0.67  0.060 / 0.080
G16     317.7          11.0                1.5 +/-   17.32       4.0 +/-   17.32  0.050 / 0.080
G20     245.4          40.3               11.3 +/-    1.59      16.4 +/-    1.59  0.220 / 0.230
G21     307.7          43.0                8.7 +/-    1.06      12.1 +/-    1.06  0.280 / 0.290
G25     202.5          15.2                9.0 +/-    1.67      22.4 +/-    1.67  0.070 / 0.080
G26     291.5          21.1                8.7 +/-    1.44      18.7 +/-    1.44  0.070 / 0.080
G29     150.3          79.5                9.7 +/-    0.39       9.8 +/-    0.39  0.250 / 0.230