Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4YZR callsign genealogy
Currently held by PATTY, DON E
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 N4YZR's current licensee, walking backwards.
- PATTY, DON ETNgranted 2019-10-21cancelled 2019-12-07
Successor callsigns
Callsigns held now by people who previously held N4YZR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4YZR, oldest first.
- PATTY, DON E TN2003-08-12 → cancelled 2015-11-03
- PATTY, DON E TN2019-12-07 active