Will love to see some photos of your Spider, and ofyour setup.
I will attempt to run different antenna on two different Rpi’s at the same time, but I need to figure out how to see data specific to each one side by side.
You may use your flightaware stats, or you can monitor locally using collected/rrd tools. Install “web portal” (which makes very usefu graphs) from here.
ADS-B Feeder Project Setup Scripts
You can also install Vertual Radar Server on your Windows/Mac computer