PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-20:43:00
G01     320.1          16.0               12.5 +/-    3.08      30.4 +/-    3.08  0.190 / 0.250
G08     262.7          15.9               12.2 +/-    6.16      29.6 +/-    6.16  0.350 / 0.410
G10     73.5           53.9               11.8 +/-    0.38      14.2 +/-    0.38  0.050 / 0.050
G11     309.3          18.4               11.4 +/-    2.09      26.1 +/-    2.09  0.050 / 0.040
G14     273.4          66.2               12.6 +/-    0.47      13.7 +/-    0.47  0.240 / 0.760
G20     102.2          30.4               10.9 +/-    1.99      18.9 +/-    1.99  0.180 / 0.630
G21     156.0          10.2               13.4 +/-   10.67      37.2 +/-   10.67  0.210 / 0.510
G27     227.3          12.4               13.1 +/-    4.79      34.6 +/-    4.79  0.280 / 0.430
G31     176.3          37.0               12.4 +/-    1.56      19.0 +/-    1.56  0.230 / 0.260
G32     0.3            70.4               11.1 +/-    0.51      11.7 +/-    0.51  0.250 / 0.330