Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4TD callsign genealogy
Currently held by Carlin JR, John J
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 KV4TD's current licensee, walking backwards.
- Carlin Jr, John JTNgranted 2007-12-19cancelled 2013-12-03
Successor callsigns
Callsigns held now by people who previously held KV4TD.
No current licensee on record previously held this callsign.