Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7L callsign genealogy
Currently held by Lombardi, Thomas C
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 KM7L's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KM7L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM7L, oldest first.
- ZEBOLSKY, HAROLD T AZ2006-01-10 → cancelled 2015-08-05
- Lombardi, Thomas C AZ2017-08-25 active