PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/25-01:13:00
G08     317.9          13.2                7.8 +/-    2.00      20.3 +/-    2.00  0.070 / 0.070
G10     320.8          58.3               10.8 +/-    0.78      12.5 +/-    0.78  0.090 / 0.080
G14     214.2          22.9               13.1 +/-    1.21      26.8 +/-    1.21  0.040 / 0.040
G15     45.9           16.3                8.6 +/-    3.90      20.8 +/-    3.90  0.040 / 0.040
G20     21.6           63.1                9.5 +/-    0.94      10.5 +/-    0.94  0.180 / 0.250
G21     124.9          64.8               12.8 +/-    0.56      14.0 +/-    0.56  0.260 / 0.350
G24     83.5           30.0               10.8 +/-    1.10      18.9 +/-    1.10  0.200 / 0.150
G27     285.6          37.7               12.0 +/-    0.75      18.2 +/-    0.75  0.260 / 0.240
G32     217.1          43.8               13.4 +/-    0.89      18.4 +/-    0.89  0.130 / 0.250