Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1Z callsign genealogy
Currently held by MAC HARDY, JAMES 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 KC1Z's current licensee, walking backwards.
- Sharretts, Timothy DNHgranted 2017-09-29cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held KC1Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC1Z, oldest first.
- MAC HARDY, JAMES R CT2005-12-06 → cancelled 2018-03-01
- Sharretts, Timothy D NH2018-03-20 active