Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NN8H callsign genealogy
Currently held by MABREY JR, JAMES 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 NN8H's current licensee, walking backwards.
- Yokota, HiroshiMDgranted 2015-05-21cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held NN8H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN8H, oldest first.
- MABREY JR, JAMES A MI2005-02-10 → cancelled 2013-05-24
- Yokota, Hiroshi MD2025-05-07 active