Water Tower Com to water pumps
From Signal Identification Wiki
447.2375 & 457.4375 mhz. ( only 447.2375 shown in this entry ) Telemetry data licenced to WQLG338 ... local city water department FCC report: Pumps and water towers will communicate thru two separate repeaters for water distribution.
AF + IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. Zip file @ http://indoorfins.com/beam/watertx_AF-IQ.zip
Video - Youtube Video of signal