Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1ADL callsign genealogy
Currently held by Atherton, Charles 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 W1ADL's current licensee, walking backwards.
- Atherton, Charles AMAgranted 2010-09-09cancelled 2010-09-28
Successor callsigns
Callsigns held now by people who previously held W1ADL.
No current licensee on record previously held this callsign.