PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-20:43:10
G08     318.1          13.2               16.5 +/-    1.52      42.8 +/-    1.52  0.040 / 0.040
G10     318.8          58.0               17.6 +/-    0.90      20.3 +/-    0.90  0.030 / 0.040
G14     213.9          19.8               25.4 +/-    3.03      56.1 +/-    3.03  0.390 / 0.620
G15     45.8           17.4               14.9 +/-    3.45      35.0 +/-    3.45  0.170 / 0.470
G20     22.8           62.7               17.2 +/-    1.93      19.1 +/-    1.93  0.140 / 0.230
G21     122.8          66.0               19.3 +/-    0.69      20.9 +/-    0.69  0.120 / 0.250
G24     86.0           30.1               17.1 +/-    1.46      29.8 +/-    1.46  0.140 / 0.370
G27     286.8          37.8               16.1 +/-    1.50      24.3 +/-    1.50  0.130 / 0.260
G32     215.9          44.3               24.9 +/-    0.99      34.0 +/-    0.99  0.070 / 0.080