PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-01:27:50
G08     288.9          21.6                9.2 +/-    1.62      19.4 +/-    1.62  0.120 / 0.130
G10     29.3           62.0                5.7 +/-    6.11       6.4 +/-    6.11  0.110 / 0.150
G14     237.3          52.6                8.1 +/-    5.61       9.9 +/-    5.61  0.050 / 0.070
G18     317.6          17.6               10.1 +/-    1.78      23.5 +/-    1.78  0.050 / 0.080
G20     76.6           47.5                6.5 +/-    6.44       8.5 +/-    6.44  0.080 / 0.110
G21     150.7          33.0               10.7 +/-    6.51      17.6 +/-    6.51  0.060 / 0.140
G24     49.8           21.7                8.0 +/-    1.29      16.8 +/-    1.29  0.070 / 0.130
G27     246.4          27.5                9.9 +/-    7.21      18.3 +/-    7.21  0.060 / 0.170
G31     181.0          14.8               14.6 +/-    4.95      36.5 +/-    4.95  0.030 / 0.040
G32     265.9          73.2                6.9 +/-    6.30       7.2 +/-    6.30  0.030 / 0.040