uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KA7Y callsign genealogy

Currently held by EDMINSTER, REUBEN 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 KA7Y's current licensee, walking backwards.

  1. K7ESCcancelled· E
    GRINDLE, MICHAEL FIDgranted 2020-10-06cancelled 2021-05-28
  2. KJ7QPKcancelled· T
    Grindle, Michael FIDgranted 2020-09-15cancelled 2020-10-06

Successor callsigns

Callsigns held now by people who previously held KA7Y.

  1. NB5Uactive· E
    MILLER Jr, RALPH POKgranted 2019-05-07

All historical holders

Every license row we've seen with the callsign KA7Y, oldest first.

  • EDMINSTER, REUBEN W WA
    2005-01-12 → cancelled 2017-02-15
  • MILLER Jr, RALPH P OK
    2017-03-07 → cancelled 2019-05-07
  • GRINDLE, MICHAEL F NM
    2021-05-28 active
← Back to KA7Y License history →