Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9EI callsign genealogy
Currently held by Swain, David C
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 AB9EI's current licensee, walking backwards.
- Swain, David CILgranted 2002-01-09cancelled 2002-03-12
Successor callsigns
Callsigns held now by people who previously held AB9EI.
No current licensee on record previously held this callsign.