Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7SM callsign genealogy
Currently held by HENDERSON, JAMES 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 AB7SM's current licensee, walking backwards.
- KC7EHYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB7SM.
- HENDERSON, JAMES HIDgranted 2009-11-06cancelled 2022-02-01