Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA8TT callsign genealogy
Currently held by Haby, Charles 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 WA8TT's current licensee, walking backwards.
- Haby, Charles LOHgranted 2016-02-16cancelled 2023-05-20
Successor callsigns
Callsigns held now by people who previously held WA8TT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA8TT, oldest first.
- WATT, DAVID H CT2007-07-06 → cancelled 2019-07-16
- Haby, Charles L OH2023-05-20 active