Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7ZC callsign genealogy
Currently held by NIXON, HAROLD D
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 KL7ZC's current licensee, walking backwards.
- CUDDIHY, ZACHARY MAKgranted 2004-09-08cancelled 2004-09-28
Successor callsigns
Callsigns held now by people who previously held KL7ZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7ZC, oldest first.
- NIXON, HAROLD D AK1987-08-11 → cancelled 1999-08-16
- CUDDIHY, ZACHARY M AK2014-08-26 active