Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MBO callsign genealogy
Currently held by CACIOPPO, STEVEN J
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 K9MBO's current licensee, walking backwards.
- CACIOPPO, STEVEN Jcancelled 1999-01-07
Successor callsigns
Callsigns held now by people who previously held K9MBO.
- Cacioppo, Steven JCAgranted 2018-01-09cancelled 2025-01-24