PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-01:57:40
G10     280.9          46.3               11.0 +/-    1.10      14.6 +/-    1.10  0.090 / 0.180
G15     49.9           38.6                9.5 +/-    1.20      14.2 +/-    1.20  0.110 / 0.130
G20     321.5          64.0                9.9 +/-    0.67      10.9 +/-    0.67  0.070 / 0.070
G21     40.5           76.8               10.4 +/-    1.12      10.6 +/-    1.12  0.070 / 0.050
G24     110.9          20.6               10.4 +/-    1.34      22.4 +/-    1.34  0.040 / 0.040
G27     312.7          26.5                7.7 +/-    1.58      14.5 +/-    1.58  0.040 / 0.030
G29     167.4          18.5               12.8 +/-    1.89      29.2 +/-    1.89  0.060 / 0.090
G32     206.6          17.8               13.7 +/-    1.74      31.9 +/-    1.74  0.050 / 0.080