PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-01:27:40
G10     287.5          49.0                9.5 +/-    3.75      12.2 +/-    3.75  0.080 / 0.110
G15     47.9           34.4                8.5 +/-    1.38      13.6 +/-    1.38  0.080 / 0.130
G20     332.8          64.8               10.0 +/-    0.68      11.0 +/-    0.68  0.130 / 0.140
G21     62.4           77.2               10.3 +/-    0.55      10.6 +/-    0.55  0.130 / 0.150
G24     106.3          23.1               19.1 +/-    3.01      38.9 +/-    3.01  0.040 / 0.040
G27     308.9          29.8                8.2 +/-    1.00      14.5 +/-    1.00  0.040 / 0.030
G29     167.5          14.0               10.8 +/-    2.29      27.5 +/-    2.29  0.110 / 0.080
G32     207.8          22.8               12.6 +/-    1.17      26.0 +/-    1.17  0.070 / 0.070