Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NU5R callsign genealogy
Currently held by Underwood, Martha T
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 NU5R's current licensee, walking backwards.
- UNDERWOOD, MARTHA TTXgranted 1998-11-17cancelled 2000-05-20
Successor callsigns
Callsigns held now by people who previously held NU5R.
- HUNDLEY, EDWARD ATXgranted 2017-01-03