Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4QKR callsign genealogy
Currently held by Mann Sr, Douglas B
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 KM4QKR's current licensee, walking backwards.
- Mann Sr, Douglas BFLgranted 2014-08-12cancelled 2014-09-03
Successor callsigns
Callsigns held now by people who previously held KM4QKR.
- Mann Sr, Douglas BFLgranted 2024-12-28