Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4YTZ callsign genealogy
Currently held by Joiner, Sarah
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 KN4YTZ's current licensee, walking backwards.
- Joiner, SarahVAgranted 2019-01-30cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held KN4YTZ.
- Joiner, Sarah MVAgranted 2019-08-23