PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/20-01:12:30
G10     242.5          20.8               11.2 +/-    2.01      24.1 +/-    2.01  0.040 / 0.070
G13     63.3           33.4                8.2 +/-    0.58      13.4 +/-    0.58  0.050 / 0.070
G15     105.4          56.8               10.5 +/-    0.73      12.2 +/-    0.73  0.090 / 0.150
G16     307.0          14.2                5.8 +/-    1.82      14.6 +/-    1.82  0.110 / 0.160
G20     257.8          43.9                9.1 +/-    1.99      12.5 +/-    1.99  0.080 / 0.400
G21     322.9          53.0                9.6 +/-    0.86      11.7 +/-    0.86  0.090 / 0.400
G26     279.0          18.5                8.3 +/-    1.18      18.9 +/-    1.18  0.070 / 0.130
G29     158.5          59.8                9.7 +/-    0.75      11.0 +/-    0.75  0.070 / 0.100