PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-19:58:10
G05     52.3           10.2               10.8 +/-    2.50      30.1 +/-    2.50  0.050 / 0.060
G10     242.9          21.5               16.1 +/-    1.92      34.2 +/-    1.92  0.040 / 0.060
G13     62.5           33.1               11.4 +/-    1.50      18.8 +/-    1.50  0.090 / 0.110
G15     108.1          57.4               15.6 +/-    0.92      18.2 +/-    0.92  0.070 / 0.140
G16     304.7          15.2                9.1 +/-    1.70      22.6 +/-    1.70  0.040 / 0.040
G20     258.9          45.0               14.7 +/-    3.34      19.9 +/-    3.34  0.030 / 0.040
G21     322.8          52.8               14.3 +/-    0.71      17.5 +/-    0.71  0.120 / 0.410
G26     277.3          18.5               12.4 +/-    1.65      28.4 +/-    1.65  0.130 / 0.460
G29     159.9          61.4               16.0 +/-    0.73      18.0 +/-    0.73  0.110 / 0.190