Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7TWS callsign genealogy
Currently held by Ryder, Alicia J
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 KD7TWS's current licensee, walking backwards.
- Ryder, Alicia JWAgranted 2025-02-20cancelled 2025-04-05
Successor callsigns
Callsigns held now by people who previously held KD7TWS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7TWS, oldest first.
- KING, ANTHONY M WA2003-01-02 → cancelled 2015-01-03
- Ryder, Alicia J WA2025-04-05 active