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

N3FJ callsign genealogy

Currently held by Olszewski Jr, Robert F

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 N3FJ's current licensee, walking backwards.

  1. AB3UUcancelled· E
    Olszewski Jr, Robert FPAgranted 2014-05-16cancelled 2014-08-12
  2. KC3CVQcancelled· E
    Olszewski Jr, Robert FPAgranted 2014-05-16cancelled 2014-06-17

Successor callsigns

Callsigns held now by people who previously held N3FJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N3FJ, oldest first.

  • Barcliff, Clifford DE
    2002-07-22 → cancelled 2014-07-23
  • Olszewski Jr, Robert F PA
    2024-05-24 active
← Back to N3FJ License history →