Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ZU callsign genealogy
Currently held by Peabody II, Sanford A
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 K6ZU's current licensee, walking backwards.
- Peabody II, Sanford ACAgranted 2004-04-22cancelled 2009-12-08
Successor callsigns
Callsigns held now by people who previously held K6ZU.
- SOUZA, LARRY JCAgranted 2017-03-06
All historical holders
Every license row we've seen with the callsign K6ZU, oldest first.
- PHELPS, ROY F CA1999-05-05 → cancelled 2007-11-19
- Peabody II, Sanford A WA2019-09-11 active