PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-21:27:50
G05     47.5           19.9                7.1 +/-    2.82      15.6 +/-    2.82  0.220 / 0.300
G13     78.9           35.4               12.0 +/-    1.42      19.0 +/-    1.42  0.210 / 0.380
G15     129.2          50.3                9.9 +/-    0.64      12.4 +/-    0.64  0.070 / 0.080
G16     317.0          11.0                2.9 +/-   17.31       7.8 +/-   17.31  0.070 / 0.080
G20     245.4          34.4               11.7 +/-    1.19      18.7 +/-    1.19  0.100 / 0.100
G21     309.9          44.1                9.8 +/-    0.70      13.3 +/-    0.70  0.100 / 0.110
G25     201.7          14.4               13.8 +/-    3.02      34.9 +/-    3.02  0.030 / 0.040
G26     291.2          20.2                8.4 +/-    1.86      18.4 +/-    1.86  0.030 / 0.040
G29     148.6          76.0                9.8 +/-    0.59      10.0 +/-    0.59  0.250 / 0.450