Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7OL callsign genealogy
Currently held by Masters, David T
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 AF7OL's current licensee, walking backwards.
- Masters, David TORgranted 2013-10-17cancelled 2015-02-18
Successor callsigns
Callsigns held now by people who previously held AF7OL.
No current licensee on record previously held this callsign.