Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1IFF callsign genealogy
Currently held by CAYER, CLIFFORD 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 K1IFF's current licensee, walking backwards.
- CAYER, CLIFFORD JCTgranted 2004-01-14cancelled 2004-11-05
Successor callsigns
Callsigns held now by people who previously held K1IFF.
No current licensee on record previously held this callsign.