Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9DP callsign genealogy
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 KC9DP's current licensee, walking backwards.
- Perkins Jr, David LINgranted 2014-02-25cancelled 2015-10-23
Successor callsigns
Callsigns held now by people who previously held KC9DP.
- WEITH, RICHARD RILgranted 1999-03-03cancelled 2011-03-04
All historical holders
Every license row we've seen with the callsign KC9DP, oldest first.
- Perkins Jr, David L IN2015-10-23 active
- —— → cancelled 1999-03-03