Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2ZK callsign genealogy
Currently held by Halloran, Timothy J
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 AB2ZK's current licensee, walking backwards.
- Halloran, Timothy JNJgranted 2006-03-28cancelled 2008-07-03
Successor callsigns
Callsigns held now by people who previously held AB2ZK.
No current licensee on record previously held this callsign.