info on plumas county california fire radio channels

in the 2020 calfire freq list is this gem

158.82 plu fire ... pl 167.9 tx and rx

from the fcc uls we find that wptv470 has 158.82 ... licensee is
'plumas county fire' ... with the following channels listed at Bucks
Lake

158.82 ... 1 FB2 100 watts + 400 mobiles

46.54 ... 1 base + 400 mobiles + 100 pagers

153.77 ... 15 FX1 + 400 mobiles

154.355 ... 1 base + 50 mobiles + 50 pagers

=========

RRDB only has 154.355 listed ... as Tac 11 ... which agrees with the
202 calfire freq list

=========

therefore we must ask ... what are 158.82 and 46.54 and 153.77 used
for? 153.77 could be the input to 158.82 R ... and maybe 46.54 is
some sort of link to Sierra County or California OES