PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-21:42:30
G01     218.9          11.9               11.0 +/-    2.26      29.5 +/-    2.26  0.040 / 0.050
G03     271.6          69.7                8.6 +/-    0.63       9.1 +/-    0.63  0.040 / 0.040
G09     299.5          16.3                8.3 +/-    2.04      19.9 +/-    2.04  0.050 / 0.070
G14     90.0           23.8                8.6 +/-    1.23      17.3 +/-    1.23  0.050 / 0.070
G16     136.6          51.3               10.1 +/-    0.64      12.6 +/-    0.64  0.120 / 0.430
G22     207.4          64.8                9.2 +/-    1.49      10.0 +/-    1.49  0.140 / 0.440
G23     312.0          41.8                8.0 +/-    1.04      11.2 +/-    1.04  0.100 / 0.220
G26     85.2           54.3                6.8 +/-    0.52       8.1 +/-    0.52  0.100 / 0.190
G31     48.1           26.9                6.7 +/-    2.18      12.6 +/-    2.18  0.030 / 0.040