Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1HRF callsign genealogy
Currently held by GIBBS, FREDERICK M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N1HRF's current licensee, walking backwards.
- Tucker, Geoffrey BALgranted 2004-11-16cancelled 2007-02-27
Successor callsigns
Callsigns held now by people who previously held N1HRF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1HRF, oldest first.
- GIBBS, FREDERICK M MA1990-05-29 → cancelled 2002-05-30
- Tucker, Geoffrey B AL2016-12-09 active