Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DHP callsign genealogy
Currently held by Hardy, Richard E
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 K4DHP's current licensee, walking backwards.
- PORTER, DAVID HFLgranted 2016-12-01cancelled 2022-02-15
Successor callsigns
Callsigns held now by people who previously held K4DHP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DHP, oldest first.
- Hardy, Richard E VA2006-01-07 → cancelled 2018-01-09
- Porter, David H FL2022-02-15 active