Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6GTB callsign genealogy
Currently held by MANCHESTER, DOUGLAS L
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 WB6GTB's current licensee, walking backwards.
- MANCHESTER, DOUGLAS LCAgranted 2003-09-06cancelled 2005-04-05
Successor callsigns
Callsigns held now by people who previously held WB6GTB.
- MANCHESTER, DOUGLAS LCAgranted 2015-04-07cancelled 2020-07-07