Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ICP callsign genealogy
Currently held by McCullough Jr., GUY M
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 K4ICP's current licensee, walking backwards.
- MCCULLOUGH, JR, GUY M.cancelled 1999-01-08
Successor callsigns
Callsigns held now by people who previously held K4ICP.
- McCullough Jr., GUY MALgranted 2021-09-03