Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF3DT callsign genealogy
Currently held by Rumianowski Jr, John H
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 KF3DT's current licensee, walking backwards.
- RUMIANOWSKI JR, JOHN HPAgranted 1999-03-22cancelled 2000-02-01
Successor callsigns
Callsigns held now by people who previously held KF3DT.
No current licensee on record previously held this callsign.