Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7UKW callsign genealogy
Currently held by Jackson, John T
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 K7UKW's current licensee, walking backwards.
- Jackson, John TORgranted 2008-08-01cancelled 2008-08-26
Successor callsigns
Callsigns held now by people who previously held K7UKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7UKW, oldest first.
- CRICHTON, CRAIG A OR2004-03-10 → cancelled 2005-12-08
- Jackson, John T OR2018-05-30 active