Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3U callsign genealogy
Currently held by GUITAS, GEORGE 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 KC3U's current licensee, walking backwards.
- Hontanon, Ramon JPAgranted 2011-06-30cancelled 2011-10-08
Successor callsigns
Callsigns held now by people who previously held KC3U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC3U, oldest first.
- GUITAS, GEORGE J PA1995-09-07 → cancelled 2007-09-08
- Hontanon, Ramon J PA2021-07-14 active