Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9NP callsign genealogy
Currently held by Guernsey, Robert E
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 AB9NP's current licensee, walking backwards.
- Guernsey, Robert EINgranted 2003-09-26cancelled 2007-03-08
Successor callsigns
Callsigns held now by people who previously held AB9NP.
No current licensee on record previously held this callsign.