Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB5NM callsign genealogy
Currently held by Swartz, Richard H
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 AB5NM's current licensee, walking backwards.
- Swartz, Richard HNMgranted 2016-07-06cancelled 2022-10-18
Successor callsigns
Callsigns held now by people who previously held AB5NM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5NM, oldest first.
- NELSON, ROBERT A TX1993-05-25 → cancelled 2005-05-26
- Swartz, Richard H NM2022-10-18 active