Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8AVI callsign genealogy
Currently held by SLABEY, MARTIN W
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 W8AVI's current licensee, walking backwards.
- SLABEY, TIMOTHY MOHgranted 2011-10-17cancelled 2011-11-04
Successor callsigns
Callsigns held now by people who previously held W8AVI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8AVI, oldest first.
- SLABEY, MARTIN W MI2003-04-08 → cancelled 2010-10-24
- SLABEY, TIMOTHY M OH2021-08-10 active