PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-01:28:10
G10     299.1          52.4                9.8 +/-    1.61      12.0 +/-    1.61  0.070 / 0.080
G14     210.8          11.0               -9.4 +/-   13.38     -25.7 +/-   13.38  0.080 / 0.080
G15     46.3           29.7                7.0 +/-    0.70      12.2 +/-    0.70  0.080 / 0.120
G20     308.7          56.4                8.0 +/-    1.64       9.3 +/-    1.64  0.100 / 0.130
G21     97.9           74.4               11.0 +/-    0.47      11.4 +/-    0.47  0.040 / 0.040
G24     94.8           26.7               10.9 +/-    0.89      20.5 +/-    0.89  0.050 / 0.040
G27     299.4          34.6               10.1 +/-    1.37      16.1 +/-    1.37  0.040 / 0.040
G32     210.7          34.9               15.7 +/-    1.40      25.0 +/-    1.40  0.040 / 0.030