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

NJ8K callsign genealogy

Currently held by CLACK, JOHN A

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 NJ8K's current licensee, walking backwards.

  1. WA8DMactive· E
    Mayfield, Daniel BOHgranted 2018-11-24
  2. KE8KTJcancelled· E
    Mayfield, Daniel BOHgranted 2018-10-18cancelled 2018-11-24

Successor callsigns

Callsigns held now by people who previously held NJ8K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NJ8K, oldest first.

  • CLACK, JOHN A FL
    1995-03-22 → cancelled 2007-03-23
  • Dault, Michael J MI
    2024-04-11 active