PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-03:57:50
G08     267.0          18.8                8.2 +/-    1.89      18.6 +/-    1.89  0.090 / 0.130
G10     56.6           59.8                4.8 +/-    0.75       5.5 +/-    0.75  0.110 / 0.140
G11     311.0          18.2                6.3 +/-    2.02      14.6 +/-    2.02  0.050 / 0.060
G14     266.3          66.8                6.9 +/-    0.72       7.4 +/-    0.72  0.050 / 0.060
G18     89.4           38.6                6.7 +/-    0.77      10.0 +/-    0.77  0.080 / 0.290
G21     153.9          16.7                5.3 +/-    2.17      12.6 +/-    2.17  0.090 / 0.220
G24     40.9           12.6                4.9 +/-    2.33      12.8 +/-    2.33  0.040 / 0.040
G27     231.6          16.5                9.9 +/-    1.50      23.8 +/-    1.50  0.030 / 0.030
G31     178.8          28.5                8.4 +/-    1.80      15.1 +/-    1.80  0.090 / 0.250
G32     327.9          74.8                6.7 +/-    0.91       7.0 +/-    0.91  0.080 / 0.230