Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5ACM callsign genealogy
Currently held by BLASS III, JOHN 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 N5ACM's current licensee, walking backwards.
- BLASS III, JOHN PTXgranted 2002-12-23cancelled 2003-02-05
Successor callsigns
Callsigns held now by people who previously held N5ACM.
No current licensee on record previously held this callsign.