Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0UDY callsign genealogy
Currently held by Bluhm, Rudolph L
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 KR0UDY's current licensee, walking backwards.
- Bluhm, Rudolph LCOgranted 2017-08-30cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held KR0UDY.
No current licensee on record previously held this callsign.