Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1MAX callsign genealogy
Currently held by DE BARTOLOMAO, ELSA B S
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 KA1MAX's current licensee, walking backwards.
- BUNSHAFT, MAXWELL HCAgranted 2007-05-04cancelled 2007-05-26
Successor callsigns
Callsigns held now by people who previously held KA1MAX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1MAX, oldest first.
- DE BARTOLOMAO, ELSA B S NH1990-07-31 → cancelled 2002-08-01
- Bunshaft, Maxwell H CA2017-03-20 active