PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-03:27:50
G10     290.8          50.2                6.7 +/-    3.50       8.4 +/-    3.50  0.080 / 0.100
G15     47.0           31.8                3.6 +/-    1.18       6.0 +/-    1.18  0.070 / 0.100
G20     339.2          65.2                7.2 +/-    0.72       7.8 +/-    0.72  0.130 / 0.120
G21     75.5           76.4                7.7 +/-    0.61       7.9 +/-    0.61  0.090 / 0.140
G24     103.4          24.3                7.3 +/-    1.12      14.5 +/-    1.12  0.040 / 0.030
G27     306.9          31.0                6.7 +/-    0.52      11.5 +/-    0.52  0.040 / 0.030
G29     167.1          11.0                7.7 +/-    1.74      21.1 +/-    1.74  0.060 / 0.090
G32     208.8          24.2                9.2 +/-    1.68      18.3 +/-    1.68  0.070 / 0.110