PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-15:27:50
G01     42.3           18.1                7.5 +/-    0.80      17.3 +/-    0.80  0.050 / 0.110
G06     173.6          38.4               14.3 +/-    1.71      21.3 +/-    1.71  0.060 / 0.110
G13     239.4          23.5                9.3 +/-    1.86      18.7 +/-    1.86  0.100 / 0.110
G15     276.0          12.5                9.7 +/-    1.99      25.6 +/-    1.99  0.110 / 0.160
G17     358.6          71.8               11.2 +/-    0.75      11.7 +/-    0.75  0.050 / 0.070
G19     265.5          65.0                8.4 +/-    0.80       9.2 +/-    0.80  0.050 / 0.070
G24     316.8          18.7                8.2 +/-    1.84      18.6 +/-    1.84  0.140 / 0.210
G28     68.4           48.1                8.6 +/-    0.55      11.1 +/-    0.55  0.180 / 0.240
G30     154.4          31.0               13.4 +/-    1.28      22.9 +/-    1.28  0.080 / 0.330