PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-21:42:50
G02     348.8          77.4                9.4 +/-    0.57       9.6 +/-    0.57  0.120 / 0.220
G05     162.8          35.3               14.6 +/-    0.94      23.0 +/-    0.94  0.110 / 0.200
G06     41.3           39.9                8.2 +/-    0.61      11.9 +/-    0.61  0.100 / 0.140
G12     311.1          70.0                9.4 +/-    0.74      10.0 +/-    0.74  0.080 / 0.170
G17     86.4           11.3                9.7 +/-    2.39      26.2 +/-    2.39  0.040 / 0.040
G19     76.3           25.4               10.8 +/-    1.04      21.0 +/-    1.04  0.040 / 0.040
G24     227.1          21.6               15.0 +/-    1.95      31.8 +/-    1.95  0.030 / 0.030
G25     316.8          29.7                9.1 +/-    1.64      15.9 +/-    1.64  0.030 / 0.040
G29     287.5          11.4                9.5 +/-   15.73      25.6 +/-   15.73  0.050 / 0.090