Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NK5RK callsign genealogy
Currently held by CAMPBELL, RICHARD C
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 NK5RK's current licensee, walking backwards.
- CAMPBELL, RICHARD CTXgranted 2016-05-16cancelled 2016-08-27
Successor callsigns
Callsigns held now by people who previously held NK5RK.
- KOHLER, RICHARD ATXgranted 2025-04-25
All historical holders
Every license row we've seen with the callsign NK5RK, oldest first.
- KOHLER, RICHARD A TX2014-04-05 → cancelled 2014-05-06
- CAMPBELL, RICHARD C SC2026-07-08 active