Post a new thread with your county and area in the heading. Putting "new Scanner" doesn't fit your interest in posting. This will hopefully grab the attention people nearby. Also. Search the forum for your county name or "racom". You can bet there is someone on here that knows the answers to your questions.
Keep it in the Iowa section though.
ADS-B decoder (Debian Pi) FlightAware Site #6076
Civilian and Military Aircraft Monitoring
396XT, 346XT, 890XLT, DSD+