Well get to chopping off the top of one of those and eat a can of beans or soup.
And you really want that antenna in a window or in the attic, this looks like neither.
And obviously they need to be vertical …
To better check progress … graphs1090 will show changes faster than the FA page though some of it is obviously traffic related: GitHub - wiedehopf/graphs1090: Graphs for readsb / dump1090-fa / dump1090 (based on dump1090-tools by mutability)
Then you also want to get it away from any HDMI cables, they are notorious for producing noise which interferes with the reception.
So … get it at least a couple meters away from any monitor.