PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-02:58:10
G10     263.6          37.2               12.0 +/-    0.97      18.2 +/-    0.97  0.050 / 0.050
G13     43.3           20.0                6.6 +/-    1.12      14.5 +/-    1.12  0.040 / 0.050
G15     62.2           50.3                8.5 +/-    0.47      10.7 +/-    0.47  0.140 / 0.270
G16     284.4          13.2                7.6 +/-    1.44      19.7 +/-    1.44  0.160 / 0.320
G20     291.3          58.6               10.9 +/-    0.78      12.5 +/-    0.78  0.070 / 0.080
G21     356.1          69.5                9.9 +/-    0.89      10.5 +/-    0.89  0.090 / 0.080
G24     123.4          12.2                7.7 +/-    2.59      20.5 +/-    2.59  0.100 / 0.260
G27     320.6          15.1                5.1 +/-    3.14      12.6 +/-    3.14  0.180 / 0.270
G29     165.7          33.0               12.1 +/-    1.20      19.9 +/-    1.20  0.110 / 0.360