Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0UR callsign genealogy
Currently held by Fisk, David 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 AB0UR's current licensee, walking backwards.
- Fisk, David AMNgranted 1998-12-10cancelled 2002-04-03
Successor callsigns
Callsigns held now by people who previously held AB0UR.
- Fisk, David AMNgranted 2022-01-25