uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N1GFP callsign genealogy

Currently held by HARTIGAN, BRADFORD J

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 N1GFP's current licensee, walking backwards.

  1. KB4GFDcancelled· T
    Nebel, Robert ECTgranted 2009-09-15cancelled 2012-05-18
  2. KB1OQDcancelled· T
    Nebel, Robert ECTgranted 2007-03-14cancelled 2009-09-15

Successor callsigns

Callsigns held now by people who previously held N1GFP.

  1. N1ALFcancelled· E
    NEBEL, ROBERT ECTgranted 2012-12-11cancelled 2021-09-10

All historical holders

Every license row we've seen with the callsign N1GFP, oldest first.

  • HARTIGAN, BRADFORD J VT
    1989-01-24 → cancelled 2001-01-25
  • NEBEL, ROBERT E CT
    2012-05-18 → cancelled 2012-12-11
← Back to N1GFP License history →