PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-03:28:00
G10     261.8          36.1               10.6 +/-    1.07      16.5 +/-    1.07  0.090 / 0.220
G13     44.3           21.3                6.7 +/-    1.61      14.2 +/-    1.61  0.090 / 0.210
G15     64.3           51.3                8.8 +/-    0.28      10.9 +/-    0.28  0.080 / 0.080
G16     286.3          13.5                8.7 +/-    1.73      22.5 +/-    1.73  0.070 / 0.090
G20     288.4          57.8               10.4 +/-    0.80      12.0 +/-    0.80  0.140 / 0.330
G24     124.6          11.2                7.7 +/-    2.65      20.8 +/-    2.65  0.150 / 0.320
G26     258.9          10.3               11.3 +/-    1.64      31.2 +/-    1.64  0.160 / 0.310
G27     321.2          13.6                6.3 +/-    1.69      16.1 +/-    1.69  0.130 / 0.280
G29     165.2          34.5                9.9 +/-    1.10      15.8 +/-    1.10  0.070 / 0.240