Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1HAS callsign genealogy
Currently held by COOLIDGE, LAWRENCE P
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 K1HAS's current licensee, walking backwards.
- DILIC, HASKOAZgranted 2025-04-12cancelled 2025-05-23
Successor callsigns
Callsigns held now by people who previously held K1HAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1HAS, oldest first.
- COOLIDGE, LAWRENCE P SC1996-07-10 → cancelled 2008-07-11
- DILIC, HASKO AZ2025-05-23 active