Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5RUM callsign genealogy
Currently held by MERCHANT, FREDERICK J
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 KB5RUM's current licensee, walking backwards.
- STEPHENS, ANDREW CARgranted 2003-06-12cancelled 2010-07-02
Successor callsigns
Callsigns held now by people who previously held KB5RUM.
- STEPHENS, ANDREW CARgranted 2020-09-11
All historical holders
Every license row we've seen with the callsign KB5RUM, oldest first.
- MERCHANT, FREDERICK J TX1992-06-09 → cancelled 2004-06-11
- STEPHENS, ANDREW C AR2010-07-02 → cancelled 2010-10-05