PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-09:43:00
G01     319.2          18.5                4.1 +/-    1.26       9.3 +/-    1.26  0.030 / 0.040
G08     257.4          13.5                5.8 +/-    1.28      15.0 +/-    1.28  0.030 / 0.040
G10     80.2           52.2                1.6 +/-    0.62       2.0 +/-    0.62  0.180 / 0.250
G11     302.6          23.4                4.9 +/-    2.07      10.0 +/-    2.07  0.180 / 0.240
G14     297.7          71.2                3.7 +/-    0.72       3.9 +/-    0.72  0.080 / 0.210
G18     303.7          42.1                5.4 +/-    1.37       7.5 +/-    1.37  0.080 / 0.220
G20     105.4          29.0                2.5 +/-    1.31       4.4 +/-    1.31  0.050 / 0.060
G22     302.0          14.1               -1.7 +/-    6.59      -4.4 +/-    6.59  0.050 / 0.060
G31     176.5          41.1                5.3 +/-    0.82       7.6 +/-    0.82  0.080 / 0.190
G32     354.2          70.1                2.6 +/-    0.70       2.8 +/-    0.70  0.080 / 0.240