Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6PU callsign genealogy
Currently held by Crowther, Matthew L
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 W6PU's current licensee, walking backwards.
- Crowther, Matthew LCAgranted 2022-04-06cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held W6PU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6PU, oldest first.
- Martinez, Robert L NM2012-11-27 → cancelled 2025-02-19
- Crowther, Matthew L CA2025-03-08 active