Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7EFR callsign genealogy
Currently held by LUDLOW, WALTER 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 N7EFR's current licensee, walking backwards.
- Turner, Brandon LWAgranted 2009-03-18cancelled 2016-12-06
Successor callsigns
Callsigns held now by people who previously held N7EFR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7EFR, oldest first.
- LUDLOW, WALTER W WA1997-12-23 → cancelled 2009-12-24
- Turner, Brandon L WA2016-12-06 active