Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6TTY callsign genealogy
Currently held by DUGGAN JR, JOHN E
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 WB6TTY's current licensee, walking backwards.
- DUGGAN JR, JOHN ECAgranted 2011-07-22cancelled 2014-11-25
Successor callsigns
Callsigns held now by people who previously held WB6TTY.
No current licensee on record previously held this callsign.