Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6HMH callsign genealogy
Currently held by HAMMERLING, HARRY 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 W6HMH's current licensee, walking backwards.
- HAMMERLING, HARRY MCAgranted 2004-08-24cancelled 2004-09-14
Successor callsigns
Callsigns held now by people who previously held W6HMH.
No current licensee on record previously held this callsign.