Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7DOU callsign genealogy
Currently held by Hartman, Jerry L
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 KC7DOU's current licensee, walking backwards.
- KB6DYCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC7DOU.
- Hartman, Jerry LORgranted 2013-09-09cancelled 2026-03-06