Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZEP callsign genealogy
Currently held by HAMMOND, DAVID L
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 K5ZEP's current licensee, walking backwards.
- HAMMOND, DAVID LOKgranted 1998-12-17cancelled 2006-02-25
Successor callsigns
Callsigns held now by people who previously held K5ZEP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ZEP, oldest first.
- BISHOP, FRANK W OK1995-05-22 → cancelled 2004-02-03
- HAMMOND, DAVID L OK2026-03-03 active