Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9AD callsign genealogy
Currently held by Lentz, Roger
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 K9AD's current licensee, walking backwards.
- Lentz, RogerWIgranted 2014-04-16cancelled 2016-05-27
Successor callsigns
Callsigns held now by people who previously held K9AD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9AD, oldest first.
- SNOVER, CHARLES W IN2006-01-31 → cancelled 2014-05-06
- Lentz, Roger WI2026-03-13 active