PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-23:12:30
G10     288.0          48.5                5.8 +/-    2.10       7.4 +/-    2.10  0.080 / 0.090
G15     48.7           37.8                5.4 +/-    0.49       8.2 +/-    0.49  0.070 / 0.090
G20     282.9          38.0                2.8 +/-    0.70       4.2 +/-    0.70  0.040 / 0.040
G21     65.0           77.6                7.0 +/-    0.72       7.1 +/-    0.72  0.040 / 0.040
G24     102.6          23.6                6.1 +/-    1.52      12.2 +/-    1.52  0.080 / 0.200
G27     307.4          30.6                5.7 +/-    1.58       9.8 +/-    1.58  0.080 / 0.190
G29     169.0          14.9                9.2 +/-    2.88      23.0 +/-    2.88  0.150 / 0.410
G32     207.7          27.2                6.3 +/-    1.66      11.7 +/-    1.66  0.170 / 0.260