Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7YW callsign genealogy
Currently held by Moss, Clark 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 K7YW's current licensee, walking backwards.
- Moss, Clark AUTgranted 2025-12-05cancelled 2026-03-24
Successor callsigns
Callsigns held now by people who previously held K7YW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7YW, oldest first.
- KERSHESKEY, LEONARD J PA2013-10-24 → cancelled 2026-03-06
- Moss, Clark A UT2026-03-24 active