PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-18:57:30
G10     275.2          44.0               12.3 +/-    1.05      16.8 +/-    1.05  0.050 / 0.040
G13     38.9           11.9                9.1 +/-    1.94      24.3 +/-    1.94  0.060 / 0.050
G15     52.7           42.7               10.3 +/-    1.51      14.4 +/-    1.51  0.120 / 0.270
G20     314.8          63.6               12.1 +/-    0.68      13.3 +/-    0.68  0.520 / 0.400
G21     20.7           75.0               12.0 +/-    0.66      12.4 +/-    0.66  0.060 / 0.080
G24     116.7          17.9               14.7 +/-    1.26      34.1 +/-    1.26  0.050 / 0.070
G27     315.5          23.7               11.2 +/-    2.13      22.6 +/-    2.13  0.120 / 0.110
G29     168.0          25.3               13.4 +/-    2.46      26.0 +/-    2.46  0.080 / 0.140
G32     204.8          15.8               17.4 +/-    1.75      42.4 +/-    1.75  0.110 / 0.210