Looking at my old run, I can see a 30min separation between the spikes, so the East bias may not have fixed it. It might just be luck that it did not show up before I turned in.?
This does not show 30min separation. I should look closer. These are shorter intervals, more like 3 to 5 min.?
https://photos.app.goo.gl/eEnXxydGK8E5Lyyu9
Jamie Amendolagine