Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4YMW callsign genealogy
Currently held by COOPER III, ALFRED B
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 KA4YMW's current licensee, walking backwards.
- Wealcatch, Yisrael MFLgranted 2019-08-26cancelled 2019-09-13
Successor callsigns
Callsigns held now by people who previously held KA4YMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4YMW, oldest first.
- COOPER III, ALFRED B NC1998-11-18 → cancelled 2010-11-19
- Wealcatch, Yisrael M FL2019-09-13 active