PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-13:28:00
G02     66.4           26.2                5.1 +/-    2.36       9.7 +/-    2.36  0.030 / 0.030
G05     51.0           57.6                5.6 +/-    0.80       6.6 +/-    0.80  0.020 / 0.030
G12     180.3          22.3                5.6 +/-    1.38      11.7 +/-    1.38  0.110 / 0.180
G13     120.0          20.1                8.5 +/-    0.98      18.7 +/-    0.98  0.140 / 0.210
G15     157.5          20.0                6.4 +/-    2.03      14.0 +/-    2.03  0.200 / 0.320
G21     278.3          22.0                5.2 +/-    2.60      10.9 +/-    2.60  0.210 / 0.210
G25     226.8          46.2                7.0 +/-    2.40       9.2 +/-    2.40  0.030 / 0.030
G29     333.3          61.2                4.4 +/-    0.60       4.9 +/-    0.60  0.030 / 0.030