Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0AVN callsign genealogy
Currently held by Grunberger, Lee
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 K0AVN's current licensee, walking backwards.
- Rousseau, David BKSgranted 2019-02-19cancelled 2019-07-12
Successor callsigns
Callsigns held now by people who previously held K0AVN.
- GRUNBERGER, LEEKSgranted 2014-07-15cancelled 2019-02-05
All historical holders
Every license row we've seen with the callsign K0AVN, oldest first.
- Grunberger, Lee KS2011-05-10 → cancelled 2014-07-15
- Rousseau, David B VT2019-07-12 active