Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4BUM callsign genealogy
Currently held by Wallace, Marc E
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 K4BUM's current licensee, walking backwards.
- Wallace, Marc EFLgranted 2010-05-06cancelled 2011-05-27
Successor callsigns
Callsigns held now by people who previously held K4BUM.
No current licensee on record previously held this callsign.