Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9LMH callsign genealogy
Currently held by O Haver, Joe
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 K9LMH's current licensee, walking backwards.
- O Haver, JoeCOgranted 2007-02-24cancelled 2011-12-16
Successor callsigns
Callsigns held now by people who previously held K9LMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9LMH, oldest first.
- MARIS, ROBERT W IN1998-03-10 → cancelled 2010-03-11
- O Haver, Joe WA2021-12-10 active