Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9EEN callsign genealogy
Currently held by SAHULCIK SR, ANTHONY 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 K9EEN's current licensee, walking backwards.
- Roberts, Martin LINgranted 2017-05-05cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held K9EEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9EEN, oldest first.
- SAHULCIK SR, ANTHONY J IN1988-06-14 → cancelled 2000-06-15
- Roberts, Martin L IN2019-05-21 active