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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KC5DAY callsign genealogy

Currently held by MAY, GEORGE C

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 KC5DAY's current licensee, walking backwards.

  1. KK7CXTcancelled· T
    Young, Declan AWAgranted 2022-01-10cancelled 2022-01-28

Successor callsigns

Callsigns held now by people who previously held KC5DAY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC5DAY, oldest first.

  • MAY, GEORGE C TX
    2003-08-14 → cancelled 2015-09-22
  • Young, Declan A WA
    2022-01-28 active