Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DY callsign genealogy
Currently held by Henderson, Ronald 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 K7DY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K7DY.
- K7USactiveDesert Sands Remote Operations ClubNVgranted 2025-12-09
All historical holders
Every license row we've seen with the callsign K7DY, oldest first.
- DARWIN, GEORGE H AZ1995-03-27 → cancelled 1997-05-13
- Henderson, Ronald A WA2013-03-08 → cancelled 2025-05-31
- Desert Sands Remote Operations Club NV2025-06-21 → cancelled 2025-12-09