"Jim Donohue" wrote in
news:vJwLd.740$Tt.247@fed1read05:

Nope..Almost certainly an active preamp. Not a loading coil. See Me
comment. Jim

Probably both....at 100Khz, Loran C's freq, a 1/4 wavelength whip is 2,460'
high....Probably wouldn't survive going under those big powerlines...(c;