PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-14:43:00
G05     51.9           11.4                4.8 +/-    1.34      13.1 +/-    1.34  0.140 / 0.160
G10     242.3          19.7                6.1 +/-    1.38      13.4 +/-    1.38  0.110 / 0.140
G13     64.2           34.2                7.0 +/-    0.76      11.3 +/-    0.76  0.040 / 0.070
G15     111.2          57.0                7.9 +/-    0.36       9.2 +/-    0.36  0.040 / 0.060
G16     307.1          14.2                2.3 +/-    1.94       5.8 +/-    1.94  0.200 / 0.320
G20     257.2          43.7                6.3 +/-    1.31       8.6 +/-    1.31  0.190 / 0.270
G21     325.3          55.0                5.3 +/-    0.93       6.3 +/-    0.93  0.040 / 0.040
G26     280.5          18.4                3.5 +/-    1.02       7.9 +/-    1.02  0.030 / 0.040
G29     159.4          60.7                9.5 +/-    0.47      10.8 +/-    0.47  0.060 / 0.130