PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-16:27:40
G05     52.1           11.7                7.1 +/-    0.78      19.2 +/-    0.78  0.200 / 0.200
G10     243.5          22.4               14.0 +/-    1.03      29.1 +/-    1.03  0.140 / 0.280
G13     61.5           32.6                9.1 +/-    0.94      15.2 +/-    0.94  0.050 / 0.060
G15     101.2          56.9               10.5 +/-    0.68      12.3 +/-    0.68  0.040 / 0.050
G16     303.5          15.6                2.8 +/-    3.30       6.8 +/-    3.30  0.230 / 0.650
G20     260.8          47.0               11.1 +/-    0.64      14.6 +/-    0.64  0.170 / 0.710
G21     324.4          53.8                8.9 +/-    0.69      10.7 +/-    0.69  0.020 / 0.040
G26     276.6          18.3                7.0 +/-    1.65      16.2 +/-    1.65  0.030 / 0.040
G29     160.6          61.1               10.7 +/-    0.75      12.0 +/-    0.75  0.050 / 0.120