Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9BLT callsign genealogy
Currently held by Katsman, Dennis
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 W9BLT's current licensee, walking backwards.
- Katsman, DennisILgranted 2026-03-04cancelled 2026-04-28
Successor callsigns
Callsigns held now by people who previously held W9BLT.
No current licensee on record previously held this callsign.