Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RDS callsign genealogy
Currently held by SPIER, ROGER 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 K5RDS's current licensee, walking backwards.
- SPIER, ROGER DTXgranted 1998-04-14cancelled 2002-04-02
Successor callsigns
Callsigns held now by people who previously held K5RDS.
No current licensee on record previously held this callsign.