Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK6ZZ callsign genealogy
Currently held by HEIMBOLD, KEITH 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 AK6ZZ's current licensee, walking backwards.
- Heimbold, Keith WCAgranted 2010-12-20cancelled 2012-10-30
Successor callsigns
Callsigns held now by people who previously held AK6ZZ.
- HEIMBOLD, KEITH WTXgranted 2016-04-15cancelled 2017-06-09