On Weds 10/26/16 around 10:30AM was searching the railroad frequencies and heard a repeater on 160.815 was not railroad traffic. Did a fcc database search and found a couple of active users on this frequency. Radio traffic was asking someone to meet them inside a building. Sounded like a contractor for construction with dump trucks. Signal was very loud from a Bearcat 300 about 30 feet above ground without using a outdoor antenna. Just using the pull up whip that came with the Bearcat 300. Anyone have any ideas on who this may be? Thank you.