Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7RKZ callsign genealogy
Currently held by COLE, DAVID S
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 N7RKZ's current licensee, walking backwards.
- Zoller, Rowland KWAgranted 2017-03-24cancelled 2017-05-05
Successor callsigns
Callsigns held now by people who previously held N7RKZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7RKZ, oldest first.
- COLE, DAVID S WA1991-04-30 → cancelled 2003-05-01
- Zoller, Rowland K WA2017-05-05 active