Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7SOA callsign genealogy
Currently held by Cass, Robert D
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 KD7SOA's current licensee, walking backwards.
- Cass, Robert DAZgranted 1999-06-08cancelled 2002-08-28
Successor callsigns
Callsigns held now by people who previously held KD7SOA.
- Cass, Robert DCOgranted 2019-03-21