PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-00:13:10
G08     320.1          11.2               -6.7 +/-   33.80     -18.3 +/-   33.80  0.050 / 0.070
G10     316.2          57.4               14.1 +/-    1.17      16.4 +/-    1.17  0.050 / 0.090
G14     213.2          20.2               13.4 +/-    3.01      29.4 +/-    3.01  0.040 / 0.040
G15     45.7           18.8                6.4 +/-    2.76      14.6 +/-    2.76  0.030 / 0.040
G20     16.8           63.6                8.8 +/-    0.85       9.7 +/-    0.85  0.390 / 0.470
G21     120.6          67.2               10.4 +/-    0.56      11.2 +/-    0.56  0.140 / 0.300
G24     86.8           29.7               11.7 +/-    1.57      20.7 +/-    1.57  0.120 / 0.230
G27     288.8          37.4                8.9 +/-    1.44      13.5 +/-    1.44  0.090 / 0.240
G32     215.4          41.6               11.6 +/-    1.42      16.4 +/-    1.42  0.200 / 0.370