Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ATD callsign genealogy
Currently held by ORMSBY SR, RICHARD R
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 K6ATD's current licensee, walking backwards.
- McDermott, Thomas ECAgranted 2015-10-26cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held K6ATD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ATD, oldest first.
- ORMSBY SR, RICHARD R CA1988-10-18 → cancelled 2000-10-19
- McDermott, Thomas E CA2015-12-08 active