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

KD5ZLY callsign genealogy

Currently held by MHOON, RICHARD 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 KD5ZLY's current licensee, walking backwards.

  1. W5GGYactive· G
    MHOON, RICHARD DARgranted 2018-05-12

Successor callsigns

Callsigns held now by people who previously held KD5ZLY.

  1. W5GGYactive· G
    MHOON, RICHARD DARgranted 2018-05-12
  2. W5GGYcancelled· G
    MHOON, RICHARD DARgranted 2014-09-09cancelled 2018-02-13
  3. W5DUIcancelled· G
    MHOON, RICHARD DARgranted 2008-06-10cancelled 2014-08-08

All historical holders

Every license row we've seen with the callsign KD5ZLY, oldest first.

  • Mhoon, Richard D AR
    2003-10-29 → cancelled 2008-06-10
  • MHOON, RICHARD D AR
    2014-08-08 → cancelled 2014-09-09
  • MHOON, RICHARD D AR
    2018-02-13 → cancelled 2018-05-12
← Back to KD5ZLY License history →