PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-02:57:40
G08     315.0          15.6                8.1 +/-    3.12      19.8 +/-    3.12  0.050 / 0.050
G10     326.3          59.3               13.5 +/-    0.93      15.4 +/-    0.93  0.040 / 0.050
G14     215.4          26.3               14.4 +/-    2.28      27.4 +/-    2.28  0.090 / 0.220
G15     46.2           13.3                5.8 +/-    1.01      15.0 +/-    1.01  0.070 / 0.250
G20     28.5           62.1               12.4 +/-    0.70      13.8 +/-    0.70  0.030 / 0.050
G21     129.3          61.7               15.2 +/-    1.00      17.1 +/-    1.00  0.040 / 0.040
G24     79.5           30.1               20.9 +/-    0.64      36.5 +/-    0.64  0.080 / 0.080
G27     281.8          37.7               13.3 +/-    0.70      20.0 +/-    0.70  0.070 / 0.090
G32     219.3          46.0               15.7 +/-    1.22      20.9 +/-    1.22  0.200 / 0.470