PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-21:57:50
G10     243.0          21.5               14.1 +/-    1.09      29.9 +/-    1.09  0.110 / 0.620
G13     62.4           33.1                9.6 +/-    0.60      15.9 +/-    0.60  0.110 / 0.620
G15     105.9          57.2               11.3 +/-    0.59      13.1 +/-    0.59  0.030 / 0.050
G16     305.1          15.0                7.8 +/-    2.53      19.3 +/-    2.53  0.040 / 0.070
G20     258.6          44.4               10.3 +/-    0.91      14.1 +/-    0.91  0.060 / 0.110
G21     322.9          52.9               11.6 +/-    1.00      14.2 +/-    1.00  0.060 / 0.120
G26     277.5          18.5                9.7 +/-    1.72      22.3 +/-    1.72  0.080 / 0.130
G29     159.6          60.6               12.0 +/-    0.94      13.5 +/-    0.94  0.090 / 0.200