PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-02:42:50
G08     319.6          11.8                5.9 +/-    7.18      15.8 +/-    7.18  0.050 / 0.080
G10     314.0          56.9               11.1 +/-    1.61      13.0 +/-    1.61  0.060 / 0.080
G14     212.7          20.0               17.5 +/-    5.55      38.5 +/-    5.55  0.050 / 0.040
G15     45.6           19.0                7.1 +/-    2.31      16.0 +/-    2.31  0.070 / 0.060
G20     13.9           64.0               12.1 +/-    0.68      13.3 +/-    0.68  0.030 / 0.040
G21     118.9          67.6               13.4 +/-    0.48      14.4 +/-    0.48  0.040 / 0.050
G24     87.5           29.3               21.9 +/-    1.74      38.9 +/-    1.74  0.180 / 0.280
G27     290.6          37.0               14.4 +/-    1.99      22.1 +/-    1.99  0.110 / 0.380
G32     215.0          39.3               15.3 +/-    1.23      22.4 +/-    1.23  0.170 / 0.290