PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-22:12:30
G03     309.9          56.4                8.1 +/-    0.95       9.5 +/-    0.95  0.080 / 0.170
G14     71.2           36.3                8.1 +/-    0.67      12.6 +/-    0.67  0.060 / 0.150
G16     153.3          32.7               12.9 +/-    2.98      21.4 +/-    2.98  0.060 / 0.120
G22     268.9          74.3               10.3 +/-    1.64      10.6 +/-    1.64  0.060 / 0.120
G23     297.6          28.6                9.5 +/-    1.33      17.2 +/-    1.33  0.040 / 0.040
G26     119.2          48.9               11.7 +/-    2.06      15.0 +/-    2.06  0.050 / 0.040
G31     41.9           43.6                8.3 +/-    0.85      11.4 +/-    0.85  0.030 / 0.040
G32     89.5           12.5               10.1 +/-    2.28      26.6 +/-    2.28  0.030 / 0.040