PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-12:28:00
G02     61.4           30.0                3.9 +/-    2.45       6.8 +/-    2.45  0.030 / 0.030
G05     58.3           62.9                4.8 +/-    0.76       5.3 +/-    0.76  0.040 / 0.040
G12     181.5          29.3                6.1 +/-    1.01      10.8 +/-    1.01  0.040 / 0.040
G13     125.5          15.7                8.1 +/-    2.60      19.7 +/-    2.60  0.040 / 0.040
G15     160.8          14.9                5.0 +/-    1.62      12.5 +/-    1.62  0.060 / 0.100
G21     272.9          18.2                5.7 +/-    2.44      13.2 +/-    2.44  0.060 / 0.110
G25     234.9          51.2                7.0 +/-    2.66       8.7 +/-    2.66  0.150 / 0.200
G29     328.8          54.7                5.0 +/-    0.64       6.0 +/-    0.64  0.090 / 0.240