Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7U callsign genealogy
Currently held by Zanella Sr, Charles C
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 KF7U's current licensee, walking backwards.
- Zanella Sr, Charles CAZgranted 2013-11-26cancelled 2017-03-28
Successor callsigns
Callsigns held now by people who previously held KF7U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7U, oldest first.
- LEWIS, WAYNE D WI2005-03-29 → cancelled 2017-03-08
- Zanella Sr, Charles C AZ2017-03-28 active