Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4DE callsign genealogy
Currently held by TOTH, JOHN C
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 KM4DE's current licensee, walking backwards.
- Bogard, Benjamin HFLgranted 2014-12-18cancelled 2016-05-27
Successor callsigns
Callsigns held now by people who previously held KM4DE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4DE, oldest first.
- TOTH, JOHN C FL1999-06-28 → cancelled 2011-06-29
- Bogard, Benjamin H FL2026-04-03 active