PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-13:43:00
G01     304.7          35.4                5.4 +/-    2.54       8.5 +/-    2.54  0.100 / 0.090
G10     108.8          37.0                6.8 +/-    0.62      10.4 +/-    0.62  0.080 / 0.090
G11     277.3          28.1                5.5 +/-    2.14      10.1 +/-    2.14  0.050 / 0.040
G14     4.9            65.3                4.6 +/-    0.94       5.0 +/-    0.94  0.030 / 0.030
G18     268.0          51.4                4.7 +/-    2.17       5.8 +/-    2.17  0.050 / 0.050
G20     122.2          11.8                7.1 +/-    1.64      19.1 +/-    1.64  0.040 / 0.050
G22     311.6          30.9                5.3 +/-    0.82       9.1 +/-    0.82  0.050 / 0.050
G25     77.5           16.5                7.5 +/-    1.80      17.9 +/-    1.80  0.050 / 0.060
G31     168.7          65.9                6.6 +/-    0.50       7.1 +/-    0.50  0.090 / 0.150
G32     34.4           53.8                5.0 +/-    1.63       6.0 +/-    1.63  0.100 / 0.140