Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4HS callsign genealogy
Currently held by Stoll, David 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 AD4HS's current licensee, walking backwards.
- Stoll, David HVAgranted 2013-03-05cancelled 2014-02-11
Successor callsigns
Callsigns held now by people who previously held AD4HS.
- WHARTON, LEWIS EVAgranted 2019-11-13
All historical holders
Every license row we've seen with the callsign AD4HS, oldest first.
- WHARTON, LEWIS E VA1993-07-27 → cancelled 1999-11-23
- Stoll, David H NV2024-01-30 active