Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4IUL callsign genealogy
Currently held by Parrish, Charles 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 K4IUL's current licensee, walking backwards.
- PARRISH, CHARLES Jcancelled 1999-05-05
Successor callsigns
Callsigns held now by people who previously held K4IUL.
- Parrish, Charles JINgranted 2019-03-19