Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0ZAL callsign genealogy
Currently held by Mulherin, Alan D
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 KR0ZAL's current licensee, walking backwards.
- Mulherin, Alan DMEgranted 2019-04-16cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held KR0ZAL.
No current licensee on record previously held this callsign.