Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6PO callsign genealogy
Currently held by GRANDALL, WARREN F
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 AF6PO's current licensee, walking backwards.
- GRANDALL, WARREN FCAgranted 2008-01-18cancelled 2009-04-24
Successor callsigns
Callsigns held now by people who previously held AF6PO.
No current licensee on record previously held this callsign.