Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7ZL callsign genealogy
Currently held by Pierson, Robert
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 AF7ZL's current licensee, walking backwards.
- Pierson, RobertMTgranted 2014-06-30cancelled 2016-06-01
Successor callsigns
Callsigns held now by people who previously held AF7ZL.
No current licensee on record previously held this callsign.