Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9GDA callsign genealogy
Currently held by Guide Dogs Of America Amateur Radio Society
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 K9GDA's current licensee, walking backwards.
- KJ5MUWcancelledGuide Dogs Of America Amateur Radio SocietyTXgranted 2025-09-12cancelled 2025-09-30
Successor callsigns
Callsigns held now by people who previously held K9GDA.
No current licensee on record previously held this callsign.