PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/22-12:28:10
G08     273.3          18.3                5.6 +/-    2.26      12.8 +/-    2.26  0.040 / 0.050
G10     57.3           59.4                3.9 +/-    0.80       4.5 +/-    0.80  0.050 / 0.060
G11     314.3          14.0                1.7 +/-    2.25       4.4 +/-    2.25  0.230 / 0.260
G14     260.1          62.6                5.4 +/-    1.01       6.0 +/-    1.01  0.190 / 0.280
G18     91.9           34.7               21.5 +/-    1.32      34.3 +/-    1.32  0.130 / 0.200
G21     154.0          16.1                4.4 +/-    3.87      10.6 +/-    3.87  0.070 / 0.180
G24     40.6           11.7                3.0 +/-    3.06       8.1 +/-    3.06  0.090 / 0.100
G27     232.4          16.8                5.2 +/-    1.78      12.5 +/-    1.78  0.080 / 0.110
G31     177.7          29.7                5.1 +/-    1.64       9.1 +/-    1.64  0.020 / 0.020
G32     337.5          74.7                4.6 +/-    0.57       4.7 +/-    0.57  0.020 / 0.020