Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DPL callsign genealogy
Currently held by WESTERMAN, 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 K7DPL's current licensee, walking backwards.
- Lewinsohn, Daniel PORgranted 2019-03-25cancelled 2019-04-19
Successor callsigns
Callsigns held now by people who previously held K7DPL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DPL, oldest first.
- WESTERMAN, WILLIAM A WA2006-02-08 → cancelled 2018-05-08
- Lewinsohn, Daniel P OR2019-04-19 active