Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TDP callsign genealogy
Currently held by Perkins, Tom
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 K4TDP's current licensee, walking backwards.
- Perkins, TomVAgranted 2021-09-16cancelled 2021-10-05
Successor callsigns
Callsigns held now by people who previously held K4TDP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TDP, oldest first.
- 550 DX Club AL2002-11-26 → cancelled 2014-11-27
- Perkins, Tom VA2021-10-05 active