Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PLL callsign genealogy
Currently held by FINKLE, AARON M
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 W1PLL's current licensee, walking backwards.
- DUFFIELD, JAMES AMAgranted 2013-03-22cancelled 2014-05-03
Successor callsigns
Callsigns held now by people who previously held W1PLL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1PLL, oldest first.
- FINKLE, AARON M RI1995-11-28 → cancelled 2007-11-29
- DUFFIELD, JAMES A NV2024-03-14 active