PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-03:58:00
G10     297.0          52.3                9.1 +/-    0.85      11.2 +/-    0.85  0.040 / 0.050
G14     209.6          10.7               -1.4 +/-   25.87      -3.7 +/-   25.87  0.040 / 0.050
G15     46.1           28.0                4.4 +/-    1.60       8.1 +/-    1.60  0.060 / 0.100
G20     349.7          65.3                6.7 +/-    0.89       7.3 +/-    0.89  0.060 / 0.100
G21     92.5           74.5                9.0 +/-    0.99       9.3 +/-    0.99  0.040 / 0.050
G24     98.8           26.1                7.6 +/-    0.85      14.5 +/-    0.85  0.040 / 0.050
G27     302.8          33.2                8.7 +/-    1.52      14.2 +/-    1.52  0.250 / 0.700
G32     210.3          28.2               11.8 +/-    1.00      21.5 +/-    1.00  0.230 / 0.850