Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0CMW callsign genealogy
Currently held by Walden, William P
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 W0CMW's current licensee, walking backwards.
- Williams, Michael JMOgranted 2009-08-21cancelled 2011-12-06
Successor callsigns
Callsigns held now by people who previously held W0CMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0CMW, oldest first.
- Walden, William P FL1999-01-28 → cancelled 2007-12-24
- Williams, Michael J MO2021-09-09 active