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

NJ1T callsign genealogy

Currently held by CRITTENDON, DOUGLAS R

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 NJ1T's current licensee, walking backwards.

  1. AA1ZAactive· E
    LAMPRECHT, FREDRICHTXgranted 2016-12-28
  2. AG5IAcancelled· E
    LAMPRECHT, FREDRICHTXgranted 2016-12-08cancelled 2016-12-28

Successor callsigns

Callsigns held now by people who previously held NJ1T.

  1. AA1ZAcancelled· E
    CRITTENDON, DOUGLAS RMAgranted 2001-11-14cancelled 2002-03-07

All historical holders

Every license row we've seen with the callsign NJ1T, oldest first.

  • CRITTENDON, DOUGLAS R MA
    1991-03-12 → cancelled 2001-11-14
  • CRITTENDON, DOUGLAS R MA
    2022-01-18 active
← Back to NJ1T License history →