Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1TTL callsign genealogy
Currently held by FOSTER, EDWARD H
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 W1TTL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W1TTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1TTL, oldest first.
- FOSTER, EDWARD H MA1996-03-11 → cancelled 2008-03-12
- Girasoli, Anthony J CT2020-05-12 active