PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/14-11:58:00
G08     318.9          13.1                4.0 +/-    1.05      10.3 +/-    1.05  0.090 / 0.090
G10     308.6          55.4                4.3 +/-    1.35       5.1 +/-    1.35  0.060 / 0.090
G14     211.7          18.7                4.1 +/-    2.12       9.2 +/-    2.12  0.300 / 0.400
G15     45.5           21.7                3.5 +/-    2.15       7.4 +/-    2.15  0.340 / 0.440
G20     9.0            64.5                5.3 +/-    0.59       5.8 +/-    0.59  0.030 / 0.030
G21     117.5          64.3                6.9 +/-    0.84       7.5 +/-    0.84  0.030 / 0.040
G24     87.3           28.0                5.0 +/-    1.37       9.1 +/-    1.37  0.160 / 0.150
G27     295.4          35.2                7.4 +/-    2.70      11.7 +/-    2.70  0.120 / 0.260
G32     214.0          35.5                5.7 +/-    2.06       8.9 +/-    2.06  0.060 / 0.030