PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-20:12:40
G01     307.7          34.5                7.0 +/-    1.80      11.3 +/-    1.80  0.070 / 0.130
G10     104.3          39.2               22.4 +/-    0.49      33.0 +/-    0.49  0.080 / 0.180
G11     287.4          25.8               10.8 +/-    1.52      20.7 +/-    1.52  0.040 / 0.050
G14     337.9          68.9                9.2 +/-    0.71       9.8 +/-    0.71  0.040 / 0.050
G20     120.0          12.9               12.4 +/-    1.69      32.3 +/-    1.69  0.040 / 0.060
G22     309.2          22.8                6.8 +/-    0.90      14.1 +/-    0.90  0.040 / 0.070
G25     84.7           15.5                8.4 +/-    1.24      20.7 +/-    1.24  0.060 / 0.170
G31     167.3          62.7               11.4 +/-    0.64      12.7 +/-    0.64  0.060 / 0.170
G32     35.6           52.8                8.1 +/-    0.65       9.9 +/-    0.65  0.070 / 0.120