Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0POW callsign genealogy
Currently held by Heinonen, Gary 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 K0POW's current licensee, walking backwards.
- Heinonen, Gary AMNgranted 2006-04-18cancelled 2006-05-09
Successor callsigns
Callsigns held now by people who previously held K0POW.
No current licensee on record previously held this callsign.