Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DEN callsign genealogy
Currently held by SADLER, RUTH M
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 N7DEN's current licensee, walking backwards.
- LAYMAN, DENNIS HWYgranted 2004-04-22cancelled 2009-02-27
Successor callsigns
Callsigns held now by people who previously held N7DEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DEN, oldest first.
- SADLER, RUTH M AZ1997-01-09 → cancelled 2009-01-10
- LAYMAN, DENNIS H WY2018-11-30 active