Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4MRW callsign genealogy
Currently held by Waldon, Michael
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 KA4MRW's current licensee, walking backwards.
- Waldon, MichaelGAgranted 2017-05-15cancelled 2017-12-12
Successor callsigns
Callsigns held now by people who previously held KA4MRW.
- Waldon, MichaelINgranted 2019-02-22
All historical holders
Every license row we've seen with the callsign KA4MRW, oldest first.
- BOYD JR, JAMES E VA1995-07-26 → cancelled 2007-07-27
- Waldon, Michael GA2017-12-12 → cancelled 2019-02-22