PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-04:43:10
G10     266.8          39.1                8.5 +/-    0.83      12.6 +/-    0.83  0.140 / 0.260
G13     41.8           17.9                6.3 +/-    3.66      14.6 +/-    3.66  0.150 / 0.230
G15     58.7           48.0                8.0 +/-    0.84      10.4 +/-    0.84  0.040 / 0.040
G16     282.5          12.2                8.4 +/-    2.22      22.4 +/-    2.22  0.040 / 0.030
G20     297.1          60.1                8.6 +/-    0.81       9.7 +/-    0.81  0.070 / 0.070
G21     4.9            71.7                7.8 +/-    0.61       8.1 +/-    0.61  0.060 / 0.060
G24     120.5          14.0                8.7 +/-    1.65      22.1 +/-    1.65  0.150 / 0.390
G27     319.5          17.3                7.9 +/-    2.12      18.6 +/-    2.12  0.140 / 0.380
G29     165.7          28.9               10.1 +/-    1.51      18.2 +/-    1.51  0.470 / 0.280