PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-06:27:50
G08     308.6          19.5                6.0 +/-    2.52      13.3 +/-    2.52  0.070 / 0.090
G10     337.7          60.9                4.4 +/-    0.76       4.9 +/-    0.76  0.060 / 0.080
G14     218.5          32.8                9.1 +/-    1.70      15.1 +/-    1.70  0.040 / 0.050
G20     40.9           59.6                5.5 +/-    0.50       6.2 +/-    0.50  0.050 / 0.070
G21     136.0          54.6                8.6 +/-    1.37      10.3 +/-    1.37  0.040 / 0.030
G24     71.5           29.5                5.4 +/-    0.43       9.5 +/-    0.43  0.040 / 0.040
G27     274.4          37.1                9.3 +/-    1.20      14.2 +/-    1.20  0.080 / 0.190
G32     224.2          49.9               10.9 +/-    0.57      13.7 +/-    0.57  0.070 / 0.150