Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MPP callsign genealogy
Currently held by Polichany, Matthew 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 K9MPP's current licensee, walking backwards.
- Polichany, Matthew POHgranted 2009-12-09cancelled 2012-12-11
Successor callsigns
Callsigns held now by people who previously held K9MPP.
- Polichany, Matthew POHgranted 2013-01-01cancelled 2025-01-03