PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-03:27:50
G10     283.2          47.3                8.6 +/-    2.13      11.2 +/-    2.13  0.070 / 0.150
G15     49.0           36.7                6.6 +/-    1.04      10.2 +/-    1.04  0.080 / 0.110
G20     326.1          64.4                8.6 +/-    0.58       9.4 +/-    0.58  0.120 / 0.110
G21     50.8           77.0                9.3 +/-    0.53       9.6 +/-    0.53  0.090 / 0.120
G24     108.8          21.6                8.7 +/-    1.86      18.4 +/-    1.86  0.040 / 0.030
G27     311.5          27.6                6.0 +/-    1.69      11.0 +/-    1.69  0.040 / 0.040
G29     167.1          16.1               10.0 +/-    1.21      24.1 +/-    1.21  0.040 / 0.070
G32     207.2          18.8               11.2 +/-    2.16      25.4 +/-    2.16  0.070 / 0.070