MultiMon for Windows - Download it from Uptodown for free
SDR++ User Guide
POCSAG und FMS mit multimon-ng | MG BLOG
This has got to be a pager of some sort? Many bands like this next to eachother in the ~930 Mhz range, San Francisco. dsd and multimon-ng not detecting it. Soundcloud link
Pipe SDR IQ data through FM demodulator for FSK9600 AX25 reception