PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-01:58:00
G08     320.6          11.0               -7.9 +/-   32.83     -21.5 +/-   32.83  0.060 / 0.080
G10     305.0          54.2                9.4 +/-    0.78      11.4 +/-    0.78  0.050 / 0.100
G14     212.0          14.4               14.5 +/-    2.25      36.7 +/-    2.25  0.040 / 0.030
G15     45.8           26.1                8.2 +/-    2.77      15.5 +/-    2.77  0.030 / 0.040
G20     320.1          60.0               10.6 +/-    0.83      12.0 +/-    0.83  0.100 / 0.100
G21     109.1          71.7               11.6 +/-    0.63      12.2 +/-    0.63  0.100 / 0.100
G24     90.6           27.9               10.8 +/-    1.24      19.8 +/-    1.24  0.210 / 0.550
G27     294.9          36.0               11.5 +/-    1.85      18.0 +/-    1.85  0.190 / 0.500
G32     212.5          38.8               12.5 +/-    1.32      18.6 +/-    1.32  0.230 / 0.250