Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4CAT callsign genealogy
Currently held by Rea, Holly 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 KK4CAT's current licensee, walking backwards.
- Kosloskey, Stephanie SFLgranted 2024-10-19cancelled 2024-11-08
Successor callsigns
Callsigns held now by people who previously held KK4CAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4CAT, oldest first.
- Rea, Holly A TN2011-05-13 → cancelled 2023-05-16
- Kosloskey, Stephanie S FL2024-11-08 active