PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-03:27:50
G10     288.2          49.2                9.4 +/-    1.06      11.9 +/-    1.06  0.040 / 0.050
G15     47.6           33.5                5.3 +/-    0.65       8.7 +/-    0.65  0.040 / 0.040
G20     334.8          65.0                6.4 +/-    0.61       7.0 +/-    0.61  0.070 / 0.120
G21     67.4           76.8                8.0 +/-    0.65       8.2 +/-    0.65  0.090 / 0.100
G24     105.2          23.4                8.0 +/-    2.55      16.2 +/-    2.55  0.050 / 0.050
G27     308.5          29.9                8.3 +/-    2.97      14.5 +/-    2.97  0.060 / 0.060
G29     167.1          12.7                7.6 +/-    2.93      20.0 +/-    2.93  0.040 / 0.080
G32     208.2          22.4               10.9 +/-    1.85      22.6 +/-    1.85  0.040 / 0.070