Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9FH callsign genealogy
Currently held by Hafemann, Dennis R
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 AD9FH's current licensee, walking backwards.
- Hafemann, Dennis RWIgranted 2024-04-30cancelled 2024-07-29
Successor callsigns
Callsigns held now by people who previously held AD9FH.
No current licensee on record previously held this callsign.