Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM7HDQ callsign genealogy
Currently held by Bargerstock, Derek
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 KM7HDQ's current licensee, walking backwards.
- Bargerstock, DerekWAgranted 2026-05-29cancelled 2026-07-27
Successor callsigns
Callsigns held now by people who previously held KM7HDQ.
No current licensee on record previously held this callsign.