Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM7HBM callsign genealogy
Currently held by Allingham, John W
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 KM7HBM's current licensee, walking backwards.
- Allingham, John WWAgranted 2026-08-11
Successor callsigns
Callsigns held now by people who previously held KM7HBM.
- Allingham, John WWAgranted 2026-08-11