Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5KAT callsign genealogy
Currently held by ROBERTS, JOSEPH F
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 N5KAT's current licensee, walking backwards.
- Katinsky, Steven BCAgranted 2020-02-21cancelled 2020-03-20
Successor callsigns
Callsigns held now by people who previously held N5KAT.
- ROBERTS, JOSEPH FDCgranted 2017-04-18cancelled 2021-09-17
All historical holders
Every license row we've seen with the callsign N5KAT, oldest first.
- ROBERTS, JOSEPH F DC2008-09-05 → cancelled 2017-04-18
- Katinsky, Steven B CA2020-03-20 active