Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ9HMR callsign genealogy
Currently held by RUTTINGER, HAROLD M
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 KZ9HMR's current licensee, walking backwards.
- RUTTINGER, HAROLD MUTgranted 2011-11-30cancelled 2017-07-07
Successor callsigns
Callsigns held now by people who previously held KZ9HMR.
No current licensee on record previously held this callsign.