Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4RH 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 KN4RH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN4RH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4RH, oldest first.
- STREVELER, RICK J FL2000-08-03 → cancelled 2012-10-31
- Harrison, Richard K FL2017-10-03 active