Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8KDO callsign genealogy
Currently held by Bos, James 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 N8KDO's current licensee, walking backwards.
- Bos, James JMIgranted 2020-10-28cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held N8KDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8KDO, oldest first.
- BOS, JAMES J MI1988-12-06 → cancelled 2000-12-07
- Bos, James J MI2020-11-17 active