Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TSN callsign genealogy
Currently held by KENNEDY, HANNIS L
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 K4TSN's current licensee, walking backwards.
- Posey, John AGAgranted 2012-08-07cancelled 2015-03-07
Successor callsigns
Callsigns held now by people who previously held K4TSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TSN, oldest first.
- KENNEDY, HANNIS L AL1997-06-11 → cancelled 2001-05-19
- POSEY, JOHN R GA2025-07-30 active