PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-20:27:40
G01     320.4          15.0                6.0 +/-    2.22      14.8 +/-    2.22  0.160 / 0.460
G08     263.7          16.4               10.4 +/-   14.39      24.9 +/-   14.39  0.340 / 0.730
G10     71.5           54.5               11.0 +/-    0.81      13.1 +/-    0.81  0.040 / 0.050
G14     270.3          65.5               11.7 +/-    0.36      12.7 +/-    0.36  0.040 / 0.040
G20     101.1          31.2               10.0 +/-    1.17      17.1 +/-    1.17  0.250 / 0.340
G21     155.9          11.3               10.7 +/-    3.14      29.2 +/-    3.14  0.240 / 0.490
G27     228.2          13.2               10.0 +/-    3.47      25.9 +/-    3.47  0.070 / 0.090
G31     176.7          35.7               11.9 +/-    1.20      18.7 +/-    1.20  0.080 / 0.080
G32     357.5          71.2               10.3 +/-    0.45      10.8 +/-    0.45  0.180 / 0.530