Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2SF callsign genealogy
Currently held by WHITEFIELD, JAMES B
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 AB2SF's current licensee, walking backwards.
- WHITEFIELD, JAMES BNYgranted 2003-04-22cancelled 2004-04-26
Successor callsigns
Callsigns held now by people who previously held AB2SF.
No current licensee on record previously held this callsign.