Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6CYM callsign genealogy
Currently held by Guthrie, Billy 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 WH6CYM's current licensee, walking backwards.
- KC5MFHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WH6CYM.
- Guthrie, Billy RCOgranted 2004-11-30cancelled 2005-09-20