Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K8RU callsign genealogy
Currently held by LEFFLER, RICHARD J
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 K8RU's current licensee, walking backwards.
- Leffler, Richard JCAgranted 2014-03-27cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held K8RU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8RU, oldest first.
- GROVES, ISHMAEL F OH2003-06-26 → cancelled 2013-05-24
- LEFFLER, RICHARD J CA2025-04-19 active