Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4DIB callsign genealogy
Currently held by Keil, David N
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 KM4DIB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4DIB.
- Keil, David NFLgranted 2024-05-04