Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2HQ callsign genealogy
Currently held by NICHOLS, DAVID 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 AB2HQ's current licensee, walking backwards.
- NICHOLS, DAVID FNYgranted 1997-04-15cancelled 2000-05-16
- N2SZJno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB2HQ.
No current licensee on record previously held this callsign.