Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4YTD callsign genealogy
Currently held by Kerr, Robert 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 KF4YTD's current licensee, walking backwards.
- N8JHKcancelledcancelled 1998-06-05
Successor callsigns
Callsigns held now by people who previously held KF4YTD.
- Kerr, Robert LFLgranted 2018-04-17