Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA5WWW callsign genealogy
Currently held by PFLUM, JULS
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 WA5WWW's current licensee, walking backwards.
- Campbell, Matthew CCOgranted 2025-06-18cancelled 2025-07-15
Successor callsigns
Callsigns held now by people who previously held WA5WWW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA5WWW, oldest first.
- PFLUM, JULS FL2006-08-28 → cancelled 2018-11-20
- Campbell, Matthew C CO2025-07-15 active