PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-23:58:00
G10     307.1          55.3                9.6 +/-    0.78      11.4 +/-    0.78  0.080 / 0.090
G14     211.4          15.2               13.7 +/-    2.10      34.0 +/-    2.10  0.070 / 0.070
G15     45.6           23.5                7.2 +/-    0.63      14.6 +/-    0.63  0.230 / 0.760
G20     4.6            64.7                9.8 +/-    0.56      10.8 +/-    0.56  0.270 / 0.470
G21     109.2          71.4               11.2 +/-    1.01      11.7 +/-    1.01  0.040 / 0.040
G24     93.0           28.4               10.8 +/-    1.92      19.5 +/-    1.92  0.030 / 0.050
G27     295.5          36.1               11.1 +/-    1.00      17.2 +/-    1.00  0.070 / 0.120
G32     212.5          36.3               11.8 +/-    1.98      18.2 +/-    1.98  0.080 / 0.120