Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3SLE callsign genealogy
Currently held by Burtner, Michael L
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 KA3SLE's current licensee, walking backwards.
- Burtner, Michael LMDgranted 2006-07-24cancelled 2006-08-11
Successor callsigns
Callsigns held now by people who previously held KA3SLE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3SLE, oldest first.
- BURTNER, MICHAEL L MD1990-06-12 → cancelled 2002-06-13
- Burtner, Michael L MD2026-07-16 active