Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RFK callsign genealogy
Currently held by Kiehl, Michael B
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 K5RFK's current licensee, walking backwards.
- Kiehl, Michael BTXgranted 2021-08-16cancelled 2024-07-06
Successor callsigns
Callsigns held now by people who previously held K5RFK.
No current licensee on record previously held this callsign.