Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5RLM callsign genealogy
Currently held by Machen, Raymond 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 KB5RLM's current licensee, walking backwards.
- Moll, RandallARgranted 2024-03-30cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held KB5RLM.
All historical holders
Every license row we've seen with the callsign KB5RLM, oldest first.
- O ROURKE, KATHERINE M TX2002-02-27 → cancelled 2014-04-08
- Machen, Raymond L TX2017-07-08 → cancelled 2022-09-02
- Moll, Randall AR2025-03-08 → cancelled 2026-05-08