Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K1EFL callsign genealogy
Currently held by MARSHALL, RALPH D
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 K1EFL's current licensee, walking backwards.
- MARSHALL, RALPH DNMgranted 1994-04-05cancelled 2003-04-01
- N6AIOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K1EFL.
No current licensee on record previously held this callsign.