Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AE7SI callsign genealogy
Currently held by Adams, Jeff C
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 AE7SI's current licensee, walking backwards.
- Instenes, Shawn WORgranted 2018-07-24cancelled 2020-02-28
Successor callsigns
Callsigns held now by people who previously held AE7SI.
- Adams, Jeff CWAgranted 2012-08-07cancelled 2012-12-11
All historical holders
Every license row we've seen with the callsign AE7SI, oldest first.
- Adams, Jeff C WA2012-03-13 → cancelled 2012-08-07
- Instenes, Shawn W OR2020-02-28 active