Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RJK callsign genealogy
Currently held by Krenn, Richard J
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 K7RJK's current licensee, walking backwards.
- Krenn, Richard JWAgranted 2015-04-09cancelled 2015-04-28
Successor callsigns
Callsigns held now by people who previously held K7RJK.
No current licensee on record previously held this callsign.