Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ESM callsign genealogy
Currently held by KEYES, DAVE E
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 KF7ESM's current licensee, walking backwards.
- KEYES, DAVID EWAgranted 2008-08-22cancelled 2009-09-23
Successor callsigns
Callsigns held now by people who previously held KF7ESM.
- KEYES, DAVE EWAgranted 2019-06-07