Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB0ZY callsign genealogy
Currently held by Krohn, Daniel 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 AB0ZY's current licensee, walking backwards.
- Krohn, Daniel ECOgranted 1997-11-05cancelled 2004-01-08
Successor callsigns
Callsigns held now by people who previously held AB0ZY.
No current licensee on record previously held this callsign.