PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-02:27:50
G05     47.4           20.3                6.1 +/-    2.11      13.4 +/-    2.11  0.070 / 0.180
G13     82.8           36.4                8.7 +/-    1.15      13.4 +/-    1.15  0.070 / 0.170
G15     132.8          48.4               10.0 +/-    1.08      12.9 +/-    1.08  0.040 / 0.090
G16     317.7          11.0                1.7 +/-   12.75       4.7 +/-   12.75  0.040 / 0.080
G20     245.4          40.3               12.7 +/-    1.12      18.3 +/-    1.12  0.070 / 0.120
G21     307.7          43.0                8.4 +/-    1.26      11.6 +/-    1.26  0.080 / 0.120
G25     202.5          15.2                9.9 +/-    1.41      24.6 +/-    1.41  0.150 / 0.400
G26     291.5          21.1                9.2 +/-    1.90      19.7 +/-    1.90  0.140 / 0.400
G29     150.3          79.5                8.7 +/-    0.63       8.8 +/-    0.63  0.030 / 0.050