Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7IIR callsign genealogy
Currently held by Thatcher, Kenneth E
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 KF7IIR's current licensee, walking backwards.
- Thatcher, Kenneth EWAgranted 2002-02-11cancelled 2010-03-12
Successor callsigns
Callsigns held now by people who previously held KF7IIR.
No current licensee on record previously held this callsign.