Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RGR callsign genealogy
Currently held by Giglio, Valerie L
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 K1RGR's current licensee, walking backwards.
- Giglio, Valerie LMAgranted 2019-06-06cancelled 2020-01-03
Successor callsigns
Callsigns held now by people who previously held K1RGR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RGR, oldest first.
- GIGLIO, WILLIAM L MA2010-07-14 → cancelled 2019-03-01
- Giglio, Valerie L MA2020-01-03 active