Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CFF callsign genealogy
Currently held by Philbrick, Todd W
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 K1CFF's current licensee, walking backwards.
- Philbrick, Todd WMAgranted 2009-04-29cancelled 2009-05-29
Successor callsigns
Callsigns held now by people who previously held K1CFF.
No current licensee on record previously held this callsign.