Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RLM callsign genealogy
Currently held by MC KINNEY, ROBERT L
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 W4RLM's current licensee, walking backwards.
- Martin, Robert LFLgranted 2004-09-24cancelled 2009-03-10
Successor callsigns
Callsigns held now by people who previously held W4RLM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RLM, oldest first.
- MC KINNEY, ROBERT L AL1996-12-04 → cancelled 2008-12-05
- Martin, Robert L TX2019-01-31 active