Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HDI callsign genealogy
Currently held by Lax, Joseph A
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 K7HDI's current licensee, walking backwards.
- Lax, Joseph AWAgranted 2013-12-03cancelled 2015-11-10
Successor callsigns
Callsigns held now by people who previously held K7HDI.
- Lax, Joseph AWAgranted 2024-04-09