StacksVerified U.S. regulatory reference

47 CFR §80.291

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)The direction finder must be located to minimize interference from noise.
  2. (b)The direction finder antenna system must be erected so that the determination of bearings will not be hindered by the proximity of other antennas, cranes, wire halyards, or large metal objects.