Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD6T callsign genealogy
Currently held by JAFFE, DAVID A
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 WD6T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WD6T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD6T, oldest first.
- SUDRY, DAVID V CA2007-08-15 → cancelled 2019-10-01
- JAFFE, DAVID A CA2019-10-18 active