PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-09:42:40
G05     48.7           16.5                2.6 +/-    0.89       6.2 +/-    0.89  0.040 / 0.060
G10     235.5          11.0               -5.7 +/-   33.64     -15.4 +/-   33.64  0.040 / 0.070
G13     78.1           36.9                5.9 +/-    0.44       9.0 +/-    0.44  0.120 / 0.160
G15     123.3          51.7                7.9 +/-    0.95       9.8 +/-    0.95  0.090 / 0.250
G16     316.1          11.3                1.1 +/-    3.77       2.9 +/-    3.77  0.040 / 0.040
G20     13.9           73.0                5.7 +/-    0.76       6.0 +/-    0.76  0.040 / 0.040
G21     313.5          47.8                4.0 +/-    0.63       5.2 +/-    0.63  0.130 / 0.400
G25     200.7          12.0                4.1 +/-    1.99      10.9 +/-    1.99  0.130 / 0.450
G26     288.6          20.5                4.2 +/-    2.17       9.0 +/-    2.17  0.040 / 0.120
G29     153.8          72.2                9.5 +/-    1.02      10.0 +/-    1.02  0.050 / 0.110