Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7NWW callsign genealogy
Currently held by BIRKHEAD, DANIEL L
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 N7NWW's current licensee, walking backwards.
- Birkhead, Deborah AWAgranted 2016-07-13cancelled 2016-08-23
Successor callsigns
Callsigns held now by people who previously held N7NWW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7NWW, oldest first.
- BIRKHEAD, DANIEL L WA2010-09-04 → cancelled 2016-01-12
- Alcantar, Deborah A OK2016-08-23 active