PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/25-00:42:40
G10     298.2          52.8               10.8 +/-    1.50      13.2 +/-    1.50  0.060 / 0.100
G15     46.1           28.1                8.9 +/-    1.28      16.1 +/-    1.28  0.060 / 0.080
G20     350.2          65.2                9.9 +/-    0.39      10.8 +/-    0.39  0.060 / 0.050
G21     92.8           74.9               12.5 +/-    0.42      12.9 +/-    0.42  0.040 / 0.040
G24     98.9           26.4               10.9 +/-    0.99      20.7 +/-    0.99  0.090 / 0.110
G27     301.8          33.8                9.1 +/-    1.81      14.7 +/-    1.81  0.090 / 0.160
G32     210.2          30.5               13.6 +/-    2.71      23.5 +/-    2.71  0.080 / 0.160