Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5FU callsign genealogy
Currently held by Nordlund, John F
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 AD5FU's current licensee, walking backwards.
- Nordlund, John FARgranted 1997-05-15cancelled 2001-09-28
Successor callsigns
Callsigns held now by people who previously held AD5FU.
No current licensee on record previously held this callsign.