Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7W callsign genealogy
Currently held by FREDERICKS, ELDON R
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 KR7W's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KR7W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR7W, oldest first.
- FREDERICKS, ELDON R WA1996-11-06 → cancelled 2002-10-04
- Patrick, Richard F ID2024-10-25 active