PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-15:43:00
G10     288.8          49.0                5.7 +/-    3.07       7.3 +/-    3.07  0.040 / 0.030
G15     47.9           35.0                4.9 +/-    0.80       7.7 +/-    0.80  0.040 / 0.030
G20     337.3          65.2                5.6 +/-    0.51       6.1 +/-    0.51  0.130 / 0.080
G21     81.7           74.6                6.3 +/-    0.42       6.6 +/-    0.42  0.140 / 0.130
G24     99.6           23.6                6.8 +/-    1.04      13.6 +/-    1.04  0.080 / 0.130
G27     308.7          29.2                4.9 +/-    1.18       8.7 +/-    1.18  0.080 / 0.130
G29     167.5          12.2                6.1 +/-    2.77      16.3 +/-    2.77  0.190 / 0.220
G32     208.3          24.9                7.6 +/-    1.61      14.9 +/-    1.61  0.220 / 0.310