PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-00:28:00
G10     256.9          30.7               12.2 +/-    1.94      21.0 +/-    1.94  0.230 / 0.590
G13     48.5           26.9               10.0 +/-    1.37      18.8 +/-    1.37  0.190 / 0.570
G15     75.7           56.4               12.1 +/-    0.38      14.3 +/-    0.38  0.070 / 0.110
G16     290.4          13.9                8.8 +/-    2.25      22.4 +/-    2.25  0.070 / 0.150
G18     279.5          59.2               11.2 +/-    1.98      12.8 +/-    1.98  0.050 / 0.040
G20     48.4           41.3                8.2 +/-    1.46      11.7 +/-    1.46  0.040 / 0.030
G21     343.4          65.4                9.3 +/-    0.85      10.1 +/-    0.85  0.240 / 0.300
G26     263.1          12.5               12.0 +/-    2.69      31.8 +/-    2.69  0.240 / 0.330
G27     321.4          12.4                6.5 +/-    4.55      17.3 +/-    4.55  0.120 / 0.200
G29     165.7          39.5               11.5 +/-    1.37      16.8 +/-    1.37  0.160 / 0.310