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

K5UME callsign genealogy

Currently held by McGuffin, Ryan W

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 K5UME's current licensee, walking backwards.

  1. K6MCGcancelled· T
    McGuffin, Ryan WARgranted 2017-09-26cancelled 2018-06-22
  2. KM6LOVcancelled· T
    McGuffin, Ryan WCAgranted 2017-07-14cancelled 2017-09-26

Successor callsigns

Callsigns held now by people who previously held K5UME.

  1. KW5ARCcancelled· G
    McGuffin, Ryan WARgranted 2019-05-07cancelled 2020-04-28
← Back to K5UME License history →