FRS and MURS frequencies would probably be most ubiquitous and useful in an emergency. If you get a second SDR, you can "hop" and listen to trunked frequencies used by emergency services, local and federal channels. Or you could buy a scanner from Uniden for something a little easier. I can highly recommend the SDS-100 - https://uniden.com/products/sds100-true-i-q-x2122-digital-ha...