PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-02:12:40
G10     271.2          41.6               11.4 +/-    0.88      16.1 +/-    0.88  0.240 / 0.320
G13     40.1           14.7                7.2 +/-    3.14      18.0 +/-    3.14  0.210 / 0.230
G15     55.2           45.2                8.2 +/-    0.92      11.0 +/-    0.92  0.100 / 0.060
G16     277.4          11.2                9.5 +/-    2.18      25.9 +/-    2.18  0.070 / 0.070
G20     304.4          61.5                9.3 +/-    0.99      10.4 +/-    0.99  0.050 / 0.040
G21     12.0           73.6               10.0 +/-    0.39      10.4 +/-    0.39  0.040 / 0.030
G24     117.9          16.2                9.0 +/-    1.78      21.7 +/-    1.78  0.300 / 0.330
G27     317.6          20.7                6.2 +/-    1.89      13.5 +/-    1.89  0.130 / 0.270
G29     166.8          26.3                9.4 +/-    0.75      17.9 +/-    0.75  0.160 / 0.390