Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7EDX callsign genealogy
Currently held by Blackmer, Adam 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 K7EDX's current licensee, walking backwards.
- Blackmer, Adam WWAgranted 2001-09-25cancelled 2002-01-24
Successor callsigns
Callsigns held now by people who previously held K7EDX.
No current licensee on record previously held this callsign.