Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4MKL callsign genealogy
Currently held by HAMM, ARCHIE R
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 N4MKL's current licensee, walking backwards.
- HAMM, ARCHIE Rcancelled 1999-06-24
Successor callsigns
Callsigns held now by people who previously held N4MKL.
- HAMM, ARCHIE RFLgranted 2001-07-10cancelled 2003-04-25