Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB0YT callsign genealogy
Currently held by PILTSER-COWAN, ANDREW W
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 AB0YT's current licensee, walking backwards.
- COWAN, ANDREW WIAgranted 1999-12-15cancelled 2003-07-31
Successor callsigns
Callsigns held now by people who previously held AB0YT.
No current licensee on record previously held this callsign.