PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-02:28:00
G10     267.2          38.3               12.0 +/-    1.73      17.9 +/-    1.73  0.050 / 0.050
G13     41.8           18.1                7.4 +/-    1.29      17.0 +/-    1.29  0.040 / 0.040
G15     60.1           50.1                8.8 +/-    0.30      11.1 +/-    0.30  0.130 / 0.190
G16     277.6          12.1               10.7 +/-    1.89      28.4 +/-    1.89  0.150 / 0.230
G20     290.0          56.2               10.1 +/-    0.49      11.9 +/-    0.49  0.180 / 0.550
G21     0.9            71.6               10.2 +/-    0.65      10.7 +/-    0.65  0.200 / 0.720
G24     119.3          14.4               13.1 +/-    1.19      33.0 +/-    1.19  0.140 / 0.330
G27     318.5          19.0                7.8 +/-    1.83      17.7 +/-    1.83  0.150 / 0.270
G29     168.4          31.8               13.1 +/-    0.78      22.0 +/-    0.78  0.070 / 0.080
G32     203.9          10.9               -1.6 +/-   48.83      -4.4 +/-   48.83  0.080 / 0.090