Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AH6UJ callsign genealogy
Currently held by ZWICKY, ROLAND M
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 AH6UJ's current licensee, walking backwards.
- ZWICKY, ROLAND MHIgranted 2005-07-13cancelled 2013-04-24
Successor callsigns
Callsigns held now by people who previously held AH6UJ.
No current licensee on record previously held this callsign.