Today I am hearing prescribed burn tac traffic, probably in the Pickens district of Sumter NF on 169.9, sometimes referred to as NC Tac. You should hear aircraft flight-following on 168.650. The 168.675 freq is used by several ranger districts in SC. There are many lists of usfs frequencies online. 168.55, 168.2, and 168.35 may be used on larger incidents too, among many others. I hear 164.125 at times, but it may be an input frequency.
p1879