Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9LUP callsign genealogy
Currently held by DUGGER, WAYNE E
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 K9LUP's current licensee, walking backwards.
- Ryan, Thomas JWAgranted 2017-10-20cancelled 2017-11-17
Successor callsigns
Callsigns held now by people who previously held K9LUP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9LUP, oldest first.
- DUGGER, WAYNE E IL2003-08-25 → cancelled 2015-11-24
- Ryan, Thomas J WA2017-11-17 active