Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DUC callsign genealogy
Currently held by Oliver, Patsy J
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 K7DUC's current licensee, walking backwards.
- Oliver, Patsy JAZgranted 2005-05-04cancelled 2006-01-19
Successor callsigns
Callsigns held now by people who previously held K7DUC.
No current licensee on record previously held this callsign.