Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1CRW callsign genealogy
Currently held by Wilson, Clayton R
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 W1CRW's current licensee, walking backwards.
- Wilson, Clayton RMEgranted 2018-12-21cancelled 2019-03-16
Successor callsigns
Callsigns held now by people who previously held W1CRW.
- Welch, Cliff ROHgranted 2017-06-07
All historical holders
Every license row we've seen with the callsign W1CRW, oldest first.
- Welch, Cliff R OH2004-02-03 → cancelled 2007-07-31
- Wilson, Clayton R ME2019-03-16 active