PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/16-22:58:10
G05     48.3           17.5                7.0 +/-    1.68      16.5 +/-    1.68  0.040 / 0.080
G10     235.3          13.0                4.4 +/-   36.91      11.5 +/-   36.91  0.050 / 0.080
G13     76.1           35.4               10.5 +/-    1.20      16.6 +/-    1.20  0.120 / 0.320
G15     125.0          51.9               10.7 +/-    1.11      13.3 +/-    1.11  0.130 / 0.410
G16     315.6          11.6                5.9 +/-    5.23      15.8 +/-    5.23  0.150 / 0.190
G20     247.3          35.8               12.6 +/-    1.46      19.6 +/-    1.46  0.120 / 0.380
G21     312.2          45.7                9.5 +/-    0.61      12.7 +/-    0.61  0.060 / 0.110
G25     200.4          12.5               10.1 +/-    1.57      26.6 +/-    1.57  0.070 / 0.100
G26     289.2          20.1                6.7 +/-    2.04      14.7 +/-    2.04  0.030 / 0.040
G29     151.1          72.8               10.0 +/-    0.28      10.4 +/-    0.28  0.030 / 0.040