Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4NSA callsign genealogy
Currently held by SHAY, JOHN A
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 KF4NSA's current licensee, walking backwards.
- SHAY, JOHN ANYgranted 2000-08-22cancelled 2012-08-23
Successor callsigns
Callsigns held now by people who previously held KF4NSA.
- SHAY, JOHN ANYgranted 2000-08-22cancelled 2012-08-23