Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7JD callsign genealogy
Currently held by MARTENS, THOMAS 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 KK7JD's current licensee, walking backwards.
- KB7YWWcancelledcancelled 1997-07-31
Successor callsigns
Callsigns held now by people who previously held KK7JD.
No current licensee on record previously held this callsign.