Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7BLU callsign genealogy
Currently held by Peterson, Jonathan (Jon) C
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 W7BLU's current licensee, walking backwards.
- Cooper, Thomas WWAgranted 2021-02-26cancelled 2022-07-02
Successor callsigns
Callsigns held now by people who previously held W7BLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7BLU, oldest first.
- Peterson, Jonathan (Jon) C WA2010-04-24 → cancelled 2022-06-14
- Cooper, Thomas W WA2022-07-02 active