Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NH6YK callsign genealogy
Currently held by BRATTSTROM, THEODORE 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 NH6YK's current licensee, walking backwards.
- KK7SZHcancelledPenguin DX ClubHIgranted 2024-04-26cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held NH6YK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NH6YK, oldest first.
- BRATTSTROM, THEODORE A HI2012-01-26 → cancelled 2024-04-23
- Penguin DX Club HI2026-04-21 active