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

W4CIL callsign genealogy

Currently held by GREENARCH, LARRY K

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 W4CIL's current licensee, walking backwards.

  1. KC4YPHcancelled· G
    GREENARCH, LARRY KTNgranted 2021-10-09cancelled 2023-06-22
  2. N4LKGcancelled· G
    GREENARCH, LARRY KTNgranted 2021-06-22cancelled 2021-10-09
  3. KZ4KZQcancelled· G
    GREENARCH, LARRY KNCgranted 2020-11-28cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held W4CIL.

  1. KC4YPHcancelled· G
    GREENARCH, LARRY KNCgranted 2018-12-14cancelled 2020-11-28
  2. KJ4UQKcancelled· G
    GREENARCH, LARRY KNCgranted 2008-07-19cancelled 2010-06-04

All historical holders

Every license row we've seen with the callsign W4CIL, oldest first.

  • GREENARCH, LARRY K NC
    2008-07-19 → cancelled 2010-05-04
  • GREENARCH, LARRY K NC
    2016-01-19 → cancelled 2018-12-14
  • GREENARCH, LARRY K TN
    2023-06-22 active
← Back to W4CIL License history →