Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ9DRW callsign genealogy
Currently held by Montgomery, Andrew B
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 KZ9DRW's current licensee, walking backwards.
- Montgomery, Andrew BILgranted 2011-06-10cancelled 2012-01-07
Successor callsigns
Callsigns held now by people who previously held KZ9DRW.
- Montgomery, Andrew BILgranted 2024-09-04