Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4UYL callsign genealogy
Currently held by North East TN Digital Association
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 KM4UYL'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 KM4UYL.
- W4YSFactiveNorth East TN Digital AssociationTNgranted 2026-04-21