PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-03:43:10
G08     294.6          22.8                9.1 +/-    1.36      18.8 +/-    1.36  0.060 / 0.130
G10     5.0            63.0                7.1 +/-    0.52       7.9 +/-    0.52  0.080 / 0.110
G14     228.7          42.9                9.8 +/-    1.01      13.7 +/-    1.01  0.050 / 0.100
G20     42.4           62.4               15.2 +/-    0.60      16.9 +/-    0.60  0.060 / 0.080
G21     146.1          42.4               10.4 +/-    0.89      14.6 +/-    0.89  0.070 / 0.120
G24     56.2           25.3                7.0 +/-    0.91      13.6 +/-    0.91  0.070 / 0.110
G27     255.7          32.2               11.0 +/-    1.94      18.5 +/-    1.94  0.040 / 0.090
G32     245.3          68.8                7.7 +/-    0.64       8.2 +/-    0.64  0.040 / 0.090