Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7SF callsign genealogy
Currently held by CHRISTIANSON, VAL D
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 AF7SF's current licensee, walking backwards.
- CHRISTIANSON, VAL DUTgranted 2014-03-31cancelled 2015-06-25
Successor callsigns
Callsigns held now by people who previously held AF7SF.
No current licensee on record previously held this callsign.