PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-22:43:00
G10     253.7          30.7               10.2 +/-    1.19      17.5 +/-    1.19  0.090 / 0.130
G13     50.0           26.8                8.9 +/-    1.10      16.7 +/-    1.10  0.070 / 0.110
G15     79.3           56.6                8.4 +/-    0.68       9.9 +/-    0.68  0.120 / 0.660
G16     292.6          15.4                7.4 +/-    2.27      18.2 +/-    2.27  0.130 / 0.610
G20     274.9          52.8               10.5 +/-    0.87      12.8 +/-    0.87  0.040 / 0.060
G21     337.7          61.9                9.2 +/-    0.86      10.3 +/-    0.86  0.050 / 0.050
G26     265.2          14.1                9.5 +/-    1.75      24.2 +/-    1.75  0.070 / 0.210
G29     164.3          45.9                9.4 +/-    0.47      12.5 +/-    0.47  0.070 / 0.220