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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KR1AA callsign genealogy

Currently held by Radial Ice RC

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 KR1AA's current licensee, walking backwards.

  1. KB1MXNcancelled
    Radial Ice RCMAgranted 2005-12-08cancelled 2007-11-17

Successor callsigns

Callsigns held now by people who previously held KR1AA.

  1. KR1Aactive
    Radial Ice RCMAgranted 2018-12-22
← Back to KR1AA License history →