Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1XYL callsign genealogy
Currently held by HUMMEL, GAIL E
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 K1XYL's current licensee, walking backwards.
- Naldoni, SilviaFLgranted 2011-09-19cancelled 2011-10-08
Successor callsigns
Callsigns held now by people who previously held K1XYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1XYL, oldest first.
- HUMMEL, GAIL E NH1998-11-06 → cancelled 2010-11-09
- Naldoni, Silvia MA2011-10-08 → cancelled 2023-10-11