Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4NYB callsign genealogy
Currently held by Hoefer, Wiliiam 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 KM4NYB'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 KM4NYB.
- Hoefer, Wiliiam EFLgranted 2015-10-31