Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1NFL callsign genealogy
Currently held by RANCOURT, DONALD J
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 K1NFL's current licensee, walking backwards.
- Cislak, BrandonCTgranted 2010-10-05cancelled 2010-10-26
Successor callsigns
Callsigns held now by people who previously held K1NFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1NFL, oldest first.
- RANCOURT, DONALD J FL1987-09-22 → cancelled 1999-09-23
- Cislak, Brandon P NC2020-08-04 active