Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AOR callsign genealogy
Currently held by DROSTE, ROBERT W
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 K4AOR's current licensee, walking backwards.
- SEIFERT, RICHARD PFLgranted 2012-04-16cancelled 2015-01-03
Successor callsigns
Callsigns held now by people who previously held K4AOR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AOR, oldest first.
- DROSTE, ROBERT W KY1995-03-08 → cancelled 2007-03-09
- SEIFERT, RICHARD P FL2015-01-03 active