Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DHD callsign genealogy
Currently held by South Louisville Amateur Group
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 W4DHD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4DHD.
- W4CNPactiveChris Pile Memorial Radio ClubKYgranted 2018-07-31