Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7ZOO callsign genealogy
Currently held by MC CLENDON, CATHERINE 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 KC7ZOO's current licensee, walking backwards.
- MC CLENDON, CATHERINE AIDgranted 2012-04-12cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held KC7ZOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7ZOO, oldest first.
- CROSBY, CARL A UT1997-11-06 → cancelled 2008-03-06
- MC CLENDON, CATHERINE A ID2019-09-10 active