PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-19:28:10
G10     269.9          41.2               19.5 +/-    1.23      27.8 +/-    1.23  0.080 / 0.040
G13     40.5           15.5               14.0 +/-    2.23      34.5 +/-    2.23  0.050 / 0.040
G15     56.7           46.9               16.3 +/-    1.04      21.4 +/-    1.04  0.180 / 0.460
G16     276.4          11.9               19.2 +/-    1.55      51.4 +/-    1.55  0.370 / 0.590
G20     304.6          61.9               16.9 +/-    0.56      18.9 +/-    0.56  0.120 / 0.370
G21     6.8            72.6               17.4 +/-    0.86      18.1 +/-    0.86  0.170 / 0.580
G24     120.4          15.3               21.0 +/-    1.99      51.8 +/-    1.99  0.040 / 0.040
G27     317.9          20.3               16.0 +/-    1.36      35.0 +/-    1.36  0.040 / 0.070
G29     167.6          29.8               20.4 +/-    1.10      35.9 +/-    1.10  0.270 / 0.270
G32     204.1          11.5                0.3 +/-   57.48       0.7 +/-   57.48  0.150 / 0.230