Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7FF callsign genealogy
Currently held by Thompson, Randy 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 AD7FF's current licensee, walking backwards.
- Thompson, Randy BWAgranted 2002-12-17cancelled 2005-03-14
Successor callsigns
Callsigns held now by people who previously held AD7FF.
No current licensee on record previously held this callsign.