I know of the following packet use on 6 in the NorthEast USA:
50.73 is used as a backbone link in eastern Long Island, New York.
51.93 is used as a backbone link in western Massachusetts.
Both frequencies run 1200 baud packet.
73
John Papson, WB2CIK
PacketBBSmail: WB2CIK@WA2PNU.#NLI.NY.USA.NOAM
Email: [email protected]