Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KBM callsign genealogy
Currently held by LEE, JEFF M
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 K4KBM's current licensee, walking backwards.
- GARCIA, MANUEL MNCgranted 2008-05-01cancelled 2013-06-07
Successor callsigns
Callsigns held now by people who previously held K4KBM.
- GARCIA, MANUEL MNCgranted 2017-04-11
All historical holders
Every license row we've seen with the callsign K4KBM, oldest first.
- LEE, JEFF M OK1990-04-10 → cancelled 2002-04-11
- GARCIA, MANUEL M NC2013-06-07 → cancelled 2017-04-11