Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5UO callsign genealogy
Currently held by PIMENTEL, DAVID E
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 AF5UO's current licensee, walking backwards.
- PIMENTEL, DAVID ETXgranted 2005-09-09cancelled 2014-11-13
Successor callsigns
Callsigns held now by people who previously held AF5UO.
No current licensee on record previously held this callsign.