Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF7KO callsign genealogy
Currently held by LELAND, DON
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 KF7KO's current licensee, walking backwards.
- Giles, Zachary RNYgranted 2013-04-02cancelled 2021-09-14
Successor callsigns
Callsigns held now by people who previously held KF7KO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7KO, oldest first.
- LELAND, DON WA2007-12-07 → cancelled 2020-01-28
- Giles, Zachary R NY2021-09-14 active