Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF1DBH callsign genealogy
Currently held by Hetherington, David B
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 KF1DBH's current licensee, walking backwards.
- Hetherington, David BCOgranted 2024-01-17cancelled 2025-03-11
Successor callsigns
Callsigns held now by people who previously held KF1DBH.
- Hetherington, David BCOgranted 2026-09-11