This is my php curl running every 3 seconds:

1. 46.211929~~~-122.334773
2. 46.200582~~~-122.341141
3. 46.200582~~~-122.341141
4. 46.194763~~~-122.34442
5. 46.194763~~~-122.34442
6. 46.200582~~~-122.341141
7. 46.185883~~~-122.349377
8. 46.194763~~~-122.34442
9. 46.185883~~~-122.349377
10. 46.177551~~~-122.354066
11. 46.177551~~~-122.354066
12. 46.177551~~~-122.354066

Aircraft is southbound and line 5 to 6 it just moves north.
Also note lines 10-12 it doesn’t move.

I’ve verified this issue is happening with different tail numbers at different locations in the USA.

I can reproduce this regularly.
Thanks you!
Noam