Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF7WD callsign genealogy
Currently held by Martin, Christopher 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 AF7WD's current licensee, walking backwards.
- Martin, Christopher JWAgranted 2010-05-27cancelled 2016-01-19
Successor callsigns
Callsigns held now by people who previously held AF7WD.
- Martin, Christopher JWAgranted 2017-08-04