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

NF7B callsign genealogy

Currently held by Potter, Keith W

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 NF7B's current licensee, walking backwards.

  1. K8PTRcancelled· E
    Potter, Keith WUTgranted 2018-07-20cancelled 2022-07-09
  2. KM6UGGcancelled· T
    Potter, Keith WCAgranted 2018-06-27cancelled 2018-07-20

Successor callsigns

Callsigns held now by people who previously held NF7B.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NF7B, oldest first.

  • WALDECK, BILLY B AZ
    1998-05-11 → cancelled 2010-05-12
  • Goodspeed, Rolly L WA
    2010-06-19 → cancelled 2022-06-22
  • Potter, Keith W UT
    2022-07-09 active