Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ATQ callsign genealogy
Currently held by BLACKFORD, JOHN D
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 K7ATQ's current licensee, walking backwards.
- BLACKFORD, JOHN DORgranted 2010-01-08cancelled 2010-04-13
Successor callsigns
Callsigns held now by people who previously held K7ATQ.
No current licensee on record previously held this callsign.