Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4DIL callsign genealogy
Currently held by SHEFFIELD, LISA S
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 KI4DIL's current licensee, walking backwards.
- SHEFFIELD, LISA STNgranted 1994-11-15cancelled 2003-12-11
Successor callsigns
Callsigns held now by people who previously held KI4DIL.
- SHEFFIELD, LISA STNgranted 2016-03-01