Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8RDS callsign genealogy
Currently held by Simmer II, Richard 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 K8RDS's current licensee, walking backwards.
- SIMMER II, RICHARD DMIgranted 2010-09-08cancelled 2017-02-04
Successor callsigns
Callsigns held now by people who previously held K8RDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8RDS, oldest first.
- Shorter, Ronald D OH2002-03-06 → cancelled 2014-03-07
- Simmer II, Richard D MI2017-02-04 active