PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-00:57:30
G10     250.3          27.9               12.3 +/-    1.46      22.6 +/-    1.46  0.070 / 0.130
G13     53.3           29.0                9.1 +/-    1.88      16.2 +/-    1.88  0.080 / 0.120
G15     85.4           57.1               11.7 +/-    0.98      13.7 +/-    0.98  0.030 / 0.050
G16     297.3          15.2                7.8 +/-    1.97      19.4 +/-    1.97  0.050 / 0.040
G20     269.6          50.4               11.8 +/-    2.17      14.8 +/-    2.17  0.110 / 0.490
G21     333.6          59.6               10.1 +/-    0.78      11.5 +/-    0.78  0.130 / 0.550
G26     269.2          15.5               12.0 +/-    1.72      29.4 +/-    1.72  0.090 / 0.180
G29     162.7          49.0               13.6 +/-    0.69      17.4 +/-    0.69  0.080 / 0.150