PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/15-22:58:10
G05     47.8           19.0                6.1 +/-    1.18      13.8 +/-    1.18  0.030 / 0.040
G10     234.1          11.6               -8.7 +/-   37.94     -23.4 +/-   37.94  0.030 / 0.050
G13     78.4           35.5               10.5 +/-    0.97      16.6 +/-    0.97  0.330 / 0.330
G15     127.7          50.6               10.5 +/-    0.78      13.1 +/-    0.78  0.480 / 0.330
G16     317.1          10.9               -2.3 +/-   16.52      -6.2 +/-   16.52  0.050 / 0.080
G20     245.7          34.4                8.8 +/-    2.03      14.1 +/-    2.03  0.100 / 0.070
G21     310.5          44.5                8.2 +/-    1.27      11.1 +/-    1.27  0.080 / 0.080
G25     201.4          14.0               11.8 +/-    2.58      30.0 +/-    2.58  0.060 / 0.100
G26     291.1          20.1                5.9 +/-    1.84      12.9 +/-    1.84  0.170 / 0.330
G29     148.9          74.9               10.0 +/-    0.89      10.4 +/-    0.89  0.110 / 0.350