Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ABN callsign genealogy
Currently held by KERN, MICHAEL A
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 W7ABN's current licensee, walking backwards.
- KERN, MICHAEL ANVgranted 2010-02-19cancelled 2016-01-29
Successor callsigns
Callsigns held now by people who previously held W7ABN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ABN, oldest first.
- COSTON, CHAUNCEY WA1987-09-01 → cancelled 1999-09-02
- KERN, MICHAEL A NV2026-01-13 active