PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-04:43:00
G08     288.5          22.7                8.0 +/-    2.02      16.5 +/-    2.02  0.100 / 0.120
G10     19.1           63.0                5.5 +/-    0.34       6.1 +/-    0.34  0.110 / 0.130
G14     234.4          48.0                8.1 +/-    0.66      10.5 +/-    0.66  0.080 / 0.110
G18     317.7          13.9                6.8 +/-    0.98      17.5 +/-    0.98  0.050 / 0.090
G20     64.4           55.4                6.0 +/-    0.24       7.2 +/-    0.24  0.050 / 0.030
G21     149.2          36.0                6.5 +/-    0.83      10.1 +/-    0.83  0.040 / 0.030
G24     50.9           22.3                4.4 +/-    0.80       9.1 +/-    0.80  0.040 / 0.090
G27     249.0          28.8                7.9 +/-    1.80      14.2 +/-    1.80  0.050 / 0.100
G31     181.3          12.6                8.7 +/-    2.65      22.8 +/-    2.65  0.070 / 0.100
G32     262.1          73.5                6.9 +/-    0.70       7.1 +/-    0.70  0.070 / 0.110