Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1HLZ callsign genealogy
Currently held by GIRELLO, FRANK 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 K1HLZ's current licensee, walking backwards.
- GIRELLO, FRANK APAgranted 2018-03-22cancelled 2018-05-15
Successor callsigns
Callsigns held now by people who previously held K1HLZ.
- GIRELLO, FRANK APAgranted 2019-03-05
All historical holders
Every license row we've seen with the callsign K1HLZ, oldest first.
- CARP, ALAN H MA2005-06-25 → cancelled 2017-07-12
- GIRELLO, FRANK A PA2018-05-15 → cancelled 2019-03-05