PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/03-14:28:00
G03     214.1          60.1                8.4 +/-    0.92       9.6 +/-    0.92  0.100 / 0.510
G07     254.4          12.7                8.0 +/-    4.17      21.0 +/-    4.17  0.080 / 0.460
G09     308.6          25.2                7.5 +/-    1.07      14.7 +/-    1.07  0.250 / 0.420
G14     106.1          11.6                5.6 +/-    1.54      15.1 +/-    1.54  0.160 / 0.400
G16     100.8          63.7                8.7 +/-    0.56       9.6 +/-    0.56  0.040 / 0.040
G22     185.0          41.4                8.3 +/-    1.61      11.8 +/-    1.61  0.040 / 0.040
G26     55.3           44.0                6.5 +/-    1.06       8.9 +/-    1.06  0.040 / 0.060
G31     58.1           10.7                7.4 +/-    2.37      20.3 +/-    2.37  0.040 / 0.060