Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN1C callsign genealogy
Currently held by Woodbridge, Deborah 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 NN1C's current licensee, walking backwards.
- SULLAWAY, MARTIN SMAgranted 2014-11-25cancelled 2018-12-27
Successor callsigns
Callsigns held now by people who previously held NN1C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN1C, oldest first.
- Woodbridge, Deborah W WY2006-09-13 → cancelled 2018-12-05
- SULLAWAY, MARTIN S MA2018-12-27 active