Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5RKH callsign genealogy
Currently held by HARRISON, RICHARD K
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 K5RKH's current licensee, walking backwards.
- HARRISON, RICHARD KCOgranted 2014-08-29cancelled 2014-09-20
Successor callsigns
Callsigns held now by people who previously held K5RKH.
- TOLAND, TED DTXgranted 2009-09-26cancelled 2021-12-25
All historical holders
Every license row we've seen with the callsign K5RKH, oldest first.
- TOLAND, TED D TX1998-09-10 → cancelled 1999-12-24
- HARRISON, RICHARD K CO2014-09-20 active