Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DZY callsign genealogy
Currently held by Ismach, Richard B
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 K7DZY's current licensee, walking backwards.
- Ismach, Richard BORgranted 2016-06-15cancelled 2016-07-08
Successor callsigns
Callsigns held now by people who previously held K7DZY.
No current licensee on record previously held this callsign.