Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HAH callsign genealogy
Currently held by Heidkamp, Harry 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 K7HAH's current licensee, walking backwards.
- Heidkamp, Harry AIDgranted 2009-09-18cancelled 2009-10-10
Successor callsigns
Callsigns held now by people who previously held K7HAH.
No current licensee on record previously held this callsign.