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

N4UU callsign genealogy

Currently held by PELT, J MARTIN

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 N4UU's current licensee, walking backwards.

  1. AD4TRactive
    Suwanee Valley Contest ClubFLgranted 2022-05-11
  2. KM4MKactive· E
    Butera Jr, Robert JMAgranted 2025-02-26
  3. KM4FPQcancelled· E
    Butera Jr, Robert JGAgranted 2014-11-06cancelled 2015-05-23

Successor callsigns

Callsigns held now by people who previously held N4UU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4UU, oldest first.

  • SOMMER, ROBERT C VA
    1998-07-09 → cancelled 2005-01-22
  • PELT, J MARTIN FL
    2017-05-15 active
← Back to N4UU License history →