Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8QBO callsign genealogy
Currently held by Slabey, Martin B
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 W8QBO's current licensee, walking backwards.
- Slabey, Martin BMIgranted 2011-11-30cancelled 2015-05-08
Successor callsigns
Callsigns held now by people who previously held W8QBO.
No current licensee on record previously held this callsign.