Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0IRA callsign genealogy
Currently held by CASTRODALE, MARY V
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 KB0IRA's current licensee, walking backwards.
- CASTRODALE, ERIK AMNgranted 2008-12-23cancelled 2010-01-29
Successor callsigns
Callsigns held now by people who previously held KB0IRA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0IRA, oldest first.
- CASTRODALE, MARY V MN2001-09-24 → cancelled 2009-10-07
- CASTRODALE, ERIK A MN2019-12-04 active