KC1OCA: Brimfield State Forest POTA Activation, October 20, 2021 October 20, 2021 by Phil Temples Mike Laferriere, KC1OCA, Monson, MA, is operating from Brimfield State Forest (K-4705) in Brimfield, MA, for Parks On The Air. He was last heard on 14074 kHz on FT8 at around 1410 UTC this morning, according to pota.app.