PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-01:12:30
G10     246.7          24.8               11.6 +/-    1.28      22.7 +/-    1.28  0.120 / 0.150
G13     57.4           31.2                8.1 +/-    1.83      13.8 +/-    1.83  0.120 / 0.180
G15     94.0           57.5               11.1 +/-    0.94      12.9 +/-    0.94  0.030 / 0.060
G16     301.7          15.0                4.8 +/-    2.41      11.8 +/-    2.41  0.030 / 0.050
G20     264.2          47.7               11.5 +/-    2.93      14.9 +/-    2.93  0.090 / 0.440
G21     328.8          56.8                8.8 +/-    0.34      10.3 +/-    0.34  0.090 / 0.320
G26     273.4          17.0                8.8 +/-    3.30      20.9 +/-    3.30  0.060 / 0.120
G29     161.0          53.6               10.4 +/-    0.46      12.6 +/-    0.46  0.080 / 0.110