Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6PI callsign genealogy
Currently held by Griffiths, Jonathan C
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 W6PI's current licensee, walking backwards.
- Griffiths, Jonathan CCAgranted 2007-03-12cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held W6PI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6PI, oldest first.
- MAYDER SR, L WESLEY CA1997-01-09 → cancelled 2003-05-15
- Griffiths, Jonathan C NC2017-02-14 active