Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1HM callsign genealogy
Currently held by HEAVY METAL RADIO GROUP
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 W1HM's current licensee, walking backwards.
- KB1LIPcancelledHEAVY METAL RADIO GROUPMAgranted 2004-05-19cancelled 2004-06-11
Successor callsigns
Callsigns held now by people who previously held W1HM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1HM, oldest first.
- OUTERSON, WILLIAM CT1997-10-24 → cancelled 2000-11-30
- HEAVY METAL RADIO GROUP MA2024-06-05 active