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

K4GRN callsign genealogy

Currently held by Parry Jr, Timothy S

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 K4GRN's current licensee, walking backwards.

  1. K2NSHcancelled· G
    Parry Jr, Timothy STNgranted 2019-07-16cancelled 2020-09-15
  2. K2GRNcancelled· G
    Parry Jr, Timothy STNgranted 2018-06-01cancelled 2019-07-16
  3. K4TSPactive· G
    Pontier, Tiffany SGAgranted 2022-03-29
  4. KO4UEScancelled· G
    Pontier, Tiffany SGAgranted 2021-10-20cancelled 2022-03-29

Successor callsigns

Callsigns held now by people who previously held K4GRN.

  1. K4TSPcancelled· G
    Parry Jr, Timothy STNgranted 2018-01-03cancelled 2018-06-01

All historical holders

Every license row we've seen with the callsign K4GRN, oldest first.

  • Parry Jr, Timothy S TN
    2016-09-03 → cancelled 2018-01-03
  • Parry Jr, Timothy S TN
    2020-09-15 active
← Back to K4GRN License history →