Last I tried in my small city in Ohio, it seemed like all of the natural gas meters as well as all of municipal water meters were broadcasting their readings an

Last I tried in my small city in Ohio, it seemed like all of the natural gas meters as well as all of municipal water meters were broadcasting their readings and messages in-the-clear for anyone within RF earshot to decode as long as they had an inexpensive SDR dongle and a copy of (IIRC) rtl_433. It was summertime and the gas meters were boring, but the water meters were pretty chatty. 44 bits is a lot more than 0.