Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4JKK callsign genealogy
Currently held by Monroe County Hospital Amateur Radio Club
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 KN4JKK'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 KN4JKK.
- N4MCHactiveMonroe County Hospital Amateur Radio ClubGAgranted 2018-03-06