PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-11:57:20
G10     295.0          50.7                3.7 +/-    2.73       4.7 +/-    2.73  0.060 / 0.080
G15     46.1           28.0                3.7 +/-    1.30       6.7 +/-    1.30  0.080 / 0.070
G20     68.1           24.2                6.2 +/-    1.76      12.4 +/-    1.76  0.070 / 0.140
G21     96.1           73.2                5.0 +/-    0.76       5.2 +/-    0.76  0.070 / 0.130
G24     99.7           26.0                6.6 +/-    1.14      12.6 +/-    1.14  0.050 / 0.040
G27     300.9          34.2                4.7 +/-    2.40       7.6 +/-    2.40  0.040 / 0.040
G32     210.1          31.5                3.6 +/-    1.28       6.0 +/-    1.28  0.110 / 0.060