Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4YZ callsign genealogy
Currently held by MUNROE, LONNIE 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 KF4YZ's current licensee, walking backwards.
- MC GREW, KELVIN LTNgranted 2019-03-26
- MC GREW, KELVIN LTNgranted 2009-06-30cancelled 2019-03-26
- MC GREW, KELVIN LIDgranted 2005-08-13cancelled 2009-06-30
- MC GREW, KELVIN LHIgranted 1999-11-23cancelled 2005-08-13
- KEARNY, STEPHEN JWAgranted 2018-02-28
- KEARNY, STEPHEN Jcancelled 1998-04-28
Successor callsigns
Callsigns held now by people who previously held KF4YZ.
No current licensee on record previously held this callsign.