Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5ABQ callsign genealogy
Currently held by SCHIMELPFENING, EDDIE 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 KB5ABQ's current licensee, walking backwards.
- Marks, Christopher WNMgranted 2025-09-10cancelled 2025-09-30
Successor callsigns
Callsigns held now by people who previously held KB5ABQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5ABQ, oldest first.
- SCHIMELPFENING, EDDIE L OK1990-02-27 → cancelled 2002-03-07
- Marks, Christopher W NM2025-09-30 active