Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3HFF callsign genealogy
Currently held by DE MARCO, MATHEW A
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 K3HFF's current licensee, walking backwards.
- DE MARCO, MATHEW APAgranted 1997-08-12cancelled 2006-04-01
Successor callsigns
Callsigns held now by people who previously held K3HFF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3HFF, oldest first.
- MILLER, STEPHEN A DC1993-07-20 → cancelled 2005-07-21
- DE MARCO, MATHEW A PA2006-04-01 → cancelled 2018-04-03