Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0HH callsign genealogy
Currently held by CHAMPLIN, TOM R
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 W0HH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0HH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0HH, oldest first.
- CHAMPLIN, TOM R MO1997-05-29 → cancelled 2004-04-10
- Miller, Phillip D MO2017-03-04 active