PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-03:13:00
G08     320.2          11.4               -2.1 +/-   30.14      -5.7 +/-   30.14  0.070 / 0.060
G10     311.9          56.4                6.0 +/-    1.73       7.1 +/-    1.73  0.060 / 0.060
G14     212.2          19.0                9.2 +/-    4.20      20.7 +/-    4.20  0.060 / 0.070
G15     45.5           20.0                5.9 +/-    1.59      13.0 +/-    1.59  0.060 / 0.040
G20     11.3           64.2                7.6 +/-    0.67       8.4 +/-    0.67  0.030 / 0.040
G21     116.6          68.5                8.2 +/-    0.75       8.7 +/-    0.75  0.040 / 0.050
G24     88.8           29.0                6.2 +/-    0.80      11.1 +/-    0.80  0.340 / 0.640
G27     292.2          36.7                8.3 +/-    1.94      12.8 +/-    1.94  0.170 / 0.600
G32     214.4          37.8               10.0 +/-    1.07      15.1 +/-    1.07  0.310 / 0.390