Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1IY callsign genealogy
Currently held by Read, Robert L
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 K1IY's current licensee, walking backwards.
- Michael, Dennis LAZgranted 2005-09-29cancelled 2006-08-08
Successor callsigns
Callsigns held now by people who previously held K1IY.
- Read, Robert LILgranted 2001-06-29cancelled 2011-04-07
All historical holders
Every license row we've seen with the callsign K1IY, oldest first.
- Read, Robert L IL2001-03-23 → cancelled 2001-06-29
- MICHAEL, DENNIS L AZ2016-06-24 active