PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-05:12:50
G08     268.7          18.4                9.2 +/-    1.00      21.0 +/-    1.00  0.110 / 0.250
G10     59.5           58.7                5.3 +/-    0.61       6.1 +/-    0.61  0.110 / 0.270
G11     312.2          16.5               -9.0 +/-    9.66     -21.7 +/-    9.66  0.040 / 0.070
G14     261.3          63.1                6.3 +/-    0.71       7.0 +/-    0.71  0.040 / 0.060
G18     313.0          30.7                8.1 +/-    2.06      14.0 +/-    2.06  0.140 / 0.270
G20     89.1           45.6                9.9 +/-    0.83      13.2 +/-    0.83  0.080 / 0.210
G21     154.8          17.0                6.4 +/-    3.03      15.1 +/-    3.03  0.080 / 0.250
G27     232.5          16.5                7.1 +/-    2.14      16.9 +/-    2.14  0.030 / 0.030
G31     176.8          31.2                8.4 +/-    2.53      14.4 +/-    2.53  0.030 / 0.040
G32     343.0          74.2                6.1 +/-    0.65       6.3 +/-    0.65  0.150 / 0.220