Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4YSN callsign genealogy
Currently held by WAY, TANDY
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 K4YSN's current licensee, walking backwards.
- Maseda, MichaelFLgranted 2021-02-23cancelled 2021-03-13
Successor callsigns
Callsigns held now by people who previously held K4YSN.
- Maseda, Michael VWIgranted 2021-04-30
All historical holders
Every license row we've seen with the callsign K4YSN, oldest first.
- WAY, TANDY FL1999-02-26 → cancelled 2011-03-01
- Maseda, Michael FL2021-03-13 → cancelled 2021-04-30