Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7ZRQ callsign genealogy
Currently held by COOPER, JAMES H
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 N7ZRQ's current licensee, walking backwards.
- LAMB, MARY KAZgranted 2014-04-08cancelled 2016-07-19
- LAMB, MARY KAZgranted 2010-07-30cancelled 2014-04-08
- LAMB, MARY KAZgranted 2005-06-07cancelled 2010-07-30
- CRUZ, MEDARDOFLgranted 2019-11-13
- Bruno Jr, Robert oNYgranted 2025-09-06
- Bruno Jr, Robert oNYgranted 2014-04-07cancelled 2015-08-04
Successor callsigns
Callsigns held now by people who previously held N7ZRQ.
- LAMB, MARY KAZgranted 2025-09-05
All historical holders
Every license row we've seen with the callsign N7ZRQ, oldest first.
- COOPER, JAMES H WY1992-07-07 → cancelled 2004-07-08
- LAMB, MARY K AZ2016-07-19 → cancelled 2025-09-05