Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5PY callsign genealogy
Currently held by KING, JOHN M
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 W5PY's current licensee, walking backwards.
- KING, JOEL FTXgranted 2005-11-01cancelled 2010-07-07
Successor callsigns
Callsigns held now by people who previously held W5PY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5PY, oldest first.
- KING, JOHN M LA2007-01-23 → cancelled 2010-01-27
- KING, JOEL F TX2020-06-02 active