Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1LLL callsign genealogy
Currently held by DOBSON III, WILLIAM 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 W1LLL's current licensee, walking backwards.
- Lowell, Lamar LIDgranted 2013-12-23cancelled 2014-02-08
Successor callsigns
Callsigns held now by people who previously held W1LLL.
- DOBSON III, WILLIAM AMDgranted 2019-01-30
All historical holders
Every license row we've seen with the callsign W1LLL, oldest first.
- DOBSON III, WILLIAM A MD2009-03-03 → cancelled 2009-04-17
- Lowell, Lamar L ID2024-01-13 active