PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-18:57:50
G01     320.3          15.2               11.3 +/-    1.43      27.9 +/-    1.43  0.180 / 0.440
G08     262.8          16.5               12.7 +/-    2.14      30.5 +/-    2.14  0.160 / 0.510
G10     71.6           54.4               11.0 +/-    1.09      13.2 +/-    1.09  0.040 / 0.060
G11     310.7          17.1               10.8 +/-    1.86      25.6 +/-    1.86  0.040 / 0.060
G14     269.0          64.6                9.2 +/-    0.56      10.1 +/-    0.56  0.190 / 0.280
G20     101.4          30.6               13.5 +/-    0.87      23.2 +/-    0.87  0.200 / 0.400
G21     155.8          10.8               13.1 +/-    3.80      36.0 +/-    3.80  0.220 / 0.480
G27     228.1          13.2               14.3 +/-    3.56      37.1 +/-    3.56  0.140 / 0.360
G31     177.2          35.2               14.0 +/-    1.28      22.1 +/-    1.28  0.030 / 0.050
G32     358.4          71.1               12.4 +/-    0.82      13.0 +/-    0.82  0.030 / 0.040