Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HMS callsign genealogy
Currently held by Mueller, Herman
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 W4HMS's current licensee, walking backwards.
- Mueller, HermanGAgranted 2024-02-29cancelled 2024-08-06
Successor callsigns
Callsigns held now by people who previously held W4HMS.
- SCARBOROUGH JR, HOMER MGAgranted 2026-01-24
All historical holders
Every license row we've seen with the callsign W4HMS, oldest first.
- SCARBOROUGH JR, HOMER M GA2004-02-20 → cancelled 2006-03-11
- Mueller, Herman GA2024-08-06 active