Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1BRU callsign genealogy
Currently held by Kramer, Bruce W
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 N1BRU's current licensee, walking backwards.
- Kramer, Bruce WCTgranted 2008-05-20cancelled 2008-11-07
Successor callsigns
Callsigns held now by people who previously held N1BRU.
- Kramer, Bruce WCTgranted 2018-10-23
All historical holders
Every license row we've seen with the callsign N1BRU, oldest first.
- MAXIM, AMBROSE A ME1996-03-21 → cancelled 2008-03-22
- Kramer, Bruce W CT2008-11-07 → cancelled 2018-10-23