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

N4JLO callsign genealogy

Currently held by LOWE, JEFFREY E

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 N4JLO's current licensee, walking backwards.

  1. KN4NEQcancelled· T
    LOWE, JEFFREY ETNgranted 2018-06-18cancelled 2018-07-17

Successor callsigns

Callsigns held now by people who previously held N4JLO.

  1. N4JBTactive· T
    THOMPSON, JOHN BNCgranted 2026-03-10

All historical holders

Every license row we've seen with the callsign N4JLO, oldest first.

  • THOMPSON, JOHN B NC
    2008-05-16 → cancelled 2016-02-02
  • LOWE, JEFFREY E TN
    2018-07-17 active