Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM3A callsign genealogy
Currently held by TOOL JR, ARTHUR Q
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 KM3A's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KM3A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM3A, oldest first.
- TOOL JR, ARTHUR Q MD2007-07-10 → cancelled 2019-10-01
- Wise, David J CA2019-11-30 active