PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-04:43:10
G10     290.1          49.2                6.8 +/-    1.22       8.7 +/-    1.22  0.050 / 0.100
G15     47.3           33.4                3.4 +/-    0.39       5.5 +/-    0.39  0.080 / 0.100
G20     0.8            65.5                5.7 +/-    0.39       6.2 +/-    0.39  0.040 / 0.050
G21     74.9           76.9                6.3 +/-    0.85       6.5 +/-    0.85  0.040 / 0.040
G24     102.2          24.4                4.3 +/-    1.04       8.5 +/-    1.04  0.040 / 0.060
G27     305.3          31.9                7.2 +/-    1.61      12.1 +/-    1.61  0.040 / 0.060
G29     168.8          12.8                6.3 +/-    4.95      16.4 +/-    4.95  0.040 / 0.070
G32     208.3          28.8                8.2 +/-    0.91      14.8 +/-    0.91  0.050 / 0.070