PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/22-02:57:40
G08     321.2          10.4              -16.1 +/-   25.09     -44.4 +/-   25.09  0.040 / 0.040
G10     299.6          52.1                9.6 +/-    0.90      11.8 +/-    0.90  0.040 / 0.060
G14     210.6          15.6                5.2 +/-    9.50      12.6 +/-    9.50  0.040 / 0.060
G15     46.1           29.1                1.2 +/-    2.71       2.1 +/-    2.71  0.030 / 0.040
G18     358.8          65.9              -89.7 +/-   47.57     -97.3 +/-   47.57  0.110 / 0.390
G20     73.6           15.1                5.3 +/-    1.47      13.1 +/-    1.47  0.070 / 0.130
G21     102.5          72.9                9.7 +/-    0.40      10.1 +/-    0.40  0.080 / 0.130
G24     96.6           27.3                6.5 +/-    2.59      12.1 +/-    2.59  0.080 / 0.080
G27     296.1          36.0               14.5 +/-    2.40      22.6 +/-    2.40  0.070 / 0.070
G32     212.0          33.8                8.5 +/-    6.30      13.8 +/-    6.30  0.080 / 0.100