Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3CZP callsign genealogy
Currently held by Ruhberg, Bradley F
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 N3CZP's current licensee, walking backwards.
- Ruhberg, Bradley FOHgranted 2016-01-25cancelled 2016-10-14
Successor callsigns
Callsigns held now by people who previously held N3CZP.
- Ruhberg, Bradley FOHgranted 2017-04-18
All historical holders
Every license row we've seen with the callsign N3CZP, oldest first.
- UHTHOFF, STEVEN D MD1998-01-12 → cancelled 2010-01-13
- Ruhberg, Bradley F OH2016-10-14 → cancelled 2017-04-18