Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DDA callsign genealogy
Currently held by Henry, Thomas O
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 K7DDA's current licensee, walking backwards.
- Henry, OliverWAgranted 2016-02-02cancelled 2019-04-27
Successor callsigns
Callsigns held now by people who previously held K7DDA.
No current licensee on record previously held this callsign.