PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-00:12:30
G10     250.4          28.0               11.1 +/-    1.47      20.3 +/-    1.47  0.080 / 0.130
G13     53.2           29.0                8.3 +/-    1.97      14.9 +/-    1.97  0.090 / 0.130
G15     85.6           57.2               11.5 +/-    1.00      13.4 +/-    1.00  0.030 / 0.050
G16     296.9          15.3                6.6 +/-    1.14      16.2 +/-    1.14  0.050 / 0.040
G20     269.6          50.4               11.2 +/-    2.23      14.0 +/-    2.23  0.110 / 0.150
G21     333.4          59.5                9.8 +/-    0.89      11.1 +/-    0.89  0.090 / 0.150
G26     269.0          15.5                9.9 +/-    1.59      24.2 +/-    1.59  0.020 / 0.030
G29     162.9          49.3               11.3 +/-    0.64      14.3 +/-    0.64  0.030 / 0.040