PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-18:27:50
G10     264.1          37.9               11.7 +/-    1.30      17.6 +/-    1.30  0.150 / 0.270
G13     43.0           19.5               10.4 +/-    1.27      23.1 +/-    1.27  0.140 / 0.240
G15     61.9           50.3               11.0 +/-    0.39      13.9 +/-    0.39  0.040 / 0.050
G16     281.3          13.7               10.7 +/-    1.09      27.6 +/-    1.09  0.050 / 0.050
G20     294.6          59.9               10.8 +/-    0.72      12.3 +/-    0.72  0.080 / 0.260
G21     355.1          69.2               11.1 +/-    0.60      11.8 +/-    0.60  0.080 / 0.260
G24     124.9          12.2               14.5 +/-    3.02      38.6 +/-    3.02  0.090 / 0.360
G27     320.1          16.1                8.3 +/-    1.29      20.1 +/-    1.29  0.090 / 0.380
G29     166.9          35.6               11.7 +/-    1.15      18.4 +/-    1.15  0.030 / 0.090