Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2HM callsign genealogy
Currently held by Guilfoy, Patrick 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 AB2HM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB2HM.
No current licensee on record previously held this callsign.