PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-13:13:10
G07     320.9          54.3                4.4 +/-    1.30       5.3 +/-    1.30  0.040 / 0.050
G08     121.5          45.1                8.0 +/-    0.96      10.8 +/-    0.96  0.050 / 0.060
G09     272.0          82.3                5.4 +/-    0.92       5.4 +/-    0.92  0.110 / 0.490
G16     43.1           19.2                3.7 +/-    1.06       8.4 +/-    1.06  0.160 / 0.550
G23     148.4          54.0                7.6 +/-    0.51       9.1 +/-    0.51  0.040 / 0.080
G27     71.9           37.1                4.7 +/-    0.51       7.1 +/-    0.51  0.050 / 0.070
G28     227.0          13.3                5.6 +/-    4.50      14.6 +/-    4.50  0.040 / 0.060
G30     292.8          29.3                5.0 +/-    2.49       8.9 +/-    2.49  0.030 / 0.070