Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4PY callsign genealogy
Currently held by SOUTHERLAND, NATHAN R
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 KZ4PY's current licensee, walking backwards.
- SOUTHERLAND, NATHAN RTNgranted 2024-11-20cancelled 2025-02-03
Successor callsigns
Callsigns held now by people who previously held KZ4PY.
- SOUTHERLAND, NATHAN RTNgranted 2025-02-25