Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3BIO callsign genealogy
Currently held by Neubauer, Edward G
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 N3BIO's current licensee, walking backwards.
- NEUBAUER, EDWARD GMDgranted 2019-05-21cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held N3BIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3BIO, oldest first.
- MATHIAS, MELVIN R MD1995-01-31 → cancelled 2007-02-01
- Neubauer, Edward G NY2019-07-06 active