PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-06:27:40
G08     313.5          16.3                4.4 +/-    1.71      10.7 +/-    1.71  0.270 / 0.420
G10     326.8          59.1                3.3 +/-    0.80       3.8 +/-    0.80  0.230 / 0.310
G14     217.2          24.1                7.5 +/-    2.95      14.9 +/-    2.95  0.040 / 0.060
G15     46.4           13.0                1.8 +/-    1.35       4.6 +/-    1.35  0.030 / 0.060
G20     55.6           50.9                4.0 +/-    0.82       4.9 +/-    0.82  0.070 / 0.060
G21     131.4          60.1                6.3 +/-    0.36       7.1 +/-    0.36  0.060 / 0.070
G24     76.6           30.0                6.2 +/-    0.85      10.8 +/-    0.85  0.070 / 0.070
G27     277.9          37.7                6.3 +/-    2.47       9.5 +/-    2.47  0.060 / 0.110
G32     221.0          51.6                9.2 +/-    1.15      11.4 +/-    1.15  0.200 / 0.230