Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3OO callsign genealogy
Currently held by REISINGER, TIMOTHY A
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 KC3OO's current licensee, walking backwards.
- Reisinger, Timothy ADEgranted 2020-09-17cancelled 2020-10-09
Successor callsigns
Callsigns held now by people who previously held KC3OO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC3OO, oldest first.
- REISINGER, TIMOTHY A DE1995-07-26 → cancelled 2007-07-27
- Reisinger, Timothy A DE2020-10-09 active