PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-01:43:10
G10     268.9          40.4               12.9 +/-    1.12      18.6 +/-    1.12  0.040 / 0.050
G13     40.9           16.2                7.1 +/-    1.07      17.1 +/-    1.07  0.040 / 0.050
G15     57.0           46.9                7.5 +/-    0.66       9.9 +/-    0.66  0.120 / 0.170
G16     279.0          11.9               11.0 +/-    4.90      29.6 +/-    4.90  0.120 / 0.220
G20     300.3          60.7                9.7 +/-    0.43      11.0 +/-    0.43  0.060 / 0.090
G21     6.1            72.4                9.6 +/-    0.44      10.0 +/-    0.44  0.060 / 0.060
G24     119.7          15.0               11.3 +/-    1.42      28.1 +/-    1.42  0.170 / 0.430
G27     318.5          19.2                7.9 +/-    1.45      17.7 +/-    1.45  0.170 / 0.600
G29     166.7          28.5               12.3 +/-    0.79      22.2 +/-    0.79  0.200 / 0.380