PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-01:57:30
G08     320.6          11.0               -8.7 +/-   36.38     -23.8 +/-   36.38  0.070 / 0.070
G10     305.0          54.2                8.9 +/-    1.18      10.6 +/-    1.18  0.080 / 0.080
G14     212.0          14.4               15.9 +/-    2.30      40.3 +/-    2.30  0.290 / 0.720
G15     45.8           26.1                7.6 +/-    0.55      14.5 +/-    0.55  0.160 / 0.710
G20     320.1          60.0               12.3 +/-    0.48      14.0 +/-    0.48  0.050 / 0.050
G21     109.1          71.7               10.0 +/-    1.02      10.4 +/-    1.02  0.030 / 0.030
G24     90.6           27.9               10.6 +/-    0.80      19.3 +/-    0.80  0.100 / 0.140
G27     294.9          36.0                9.4 +/-    1.04      14.7 +/-    1.04  0.080 / 0.120
G32     212.5          38.8               12.7 +/-    0.93      18.8 +/-    0.93  0.030 / 0.040