Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NU7K callsign genealogy
Currently held by LOGAN, MICHAEL A
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 NU7K's current licensee, walking backwards.
- LOGAN, MICHAEL AAZgranted 2010-12-28cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held NU7K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NU7K, oldest first.
- JOHNSON, CLARENCE G WA2005-12-01 → cancelled 2018-02-16
- LOGAN, MICHAEL A AZ2018-03-06 active