PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-17:27:50
G08     317.8          13.8                7.4 +/-    2.45      19.0 +/-    2.45  0.050 / 0.070
G10     316.3          57.5                8.1 +/-    1.30       9.4 +/-    1.30  0.070 / 0.080
G14     213.5          16.6               14.0 +/-    2.09      33.5 +/-    2.09  0.110 / 0.200
G15     45.6           16.7                7.0 +/-    1.72      16.6 +/-    1.72  0.150 / 0.290
G20     22.2           62.7                9.8 +/-    1.82      10.9 +/-    1.82  0.130 / 0.350
G21     120.5          66.5               10.7 +/-    0.69      11.6 +/-    0.69  0.130 / 0.250
G24     88.0           29.8                8.5 +/-    1.56      15.0 +/-    1.56  0.040 / 0.040
G27     288.7          37.7               10.4 +/-    0.95      15.7 +/-    0.95  0.030 / 0.040
G32     214.7          43.5               12.0 +/-    1.03      16.5 +/-    1.03  0.050 / 0.040