PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/24-00:57:30
G10     306.0          55.0                7.5 +/-    1.02       8.9 +/-    1.02  0.040 / 0.040
G14     211.2          15.0               11.2 +/-    3.37      27.8 +/-    3.37  0.040 / 0.030
G15     45.6           23.7                5.9 +/-    2.42      11.9 +/-    2.42  0.190 / 0.570
G21     107.8          71.8                8.8 +/-    0.66       9.2 +/-    0.66  0.190 / 0.380
G24     93.5           28.2                8.2 +/-    1.08      14.9 +/-    1.08  0.080 / 0.080
G27     296.3          35.8                9.4 +/-    2.27      14.7 +/-    2.27  0.060 / 0.070
G32     212.3          35.3               11.6 +/-    1.81      18.3 +/-    1.81  0.140 / 0.190