Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NH2J callsign genealogy
Currently held by Na, Hongjun
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 NH2J's current licensee, walking backwards.
- Na, HongjunGUgranted 2025-01-17cancelled 2026-08-25
Successor callsigns
Callsigns held now by people who previously held NH2J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NH2J, oldest first.
- PATTERSON, DAN G GU2012-10-03 → cancelled 2024-10-08
- Na, Hongjun GU2026-08-25 active