PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-20:42:40
G01     320.5          14.4               11.2 +/-    1.87      28.4 +/-    1.87  0.230 / 0.380
G08     264.4          16.7               14.5 +/-    2.45      34.7 +/-    2.45  0.210 / 0.360
G10     70.5           54.8               12.9 +/-    0.52      15.3 +/-    0.52  0.090 / 0.340
G11     310.6          17.3               12.2 +/-    1.30      28.8 +/-    1.30  0.130 / 0.400
G14     269.2          65.3               11.9 +/-    0.87      13.0 +/-    0.87  0.040 / 0.060
G20     100.5          31.7               13.7 +/-    0.86      23.2 +/-    0.86  0.050 / 0.060
G21     155.8          11.9               15.8 +/-    2.09      42.3 +/-    2.09  0.120 / 0.310
G27     228.7          13.6               16.9 +/-    4.30      43.5 +/-    4.30  0.210 / 0.330
G31     176.7          35.1               17.0 +/-    1.42      26.9 +/-    1.42  0.200 / 0.430
G32     355.7          71.7               12.0 +/-    0.36      12.6 +/-    0.36  0.200 / 0.540