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

NF4M callsign genealogy

Currently held by POLLARD, JOSEPH M

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 NF4M's current licensee, walking backwards.

  1. N4IEEcancelled· E
    POLLARD, JOSEPH MFLgranted 2022-07-26cancelled 2022-10-14
  2. K3NEWcancelled· G
    POLLARD, JOSEPH MFLgranted 2022-07-12cancelled 2022-07-26
  3. WH6CMIcancelled· G
    POLLARD, JOSEPH MMDgranted 1997-08-20cancelled 2002-08-10

Successor callsigns

Callsigns held now by people who previously held NF4M.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NF4M, oldest first.

  • TIDMORE, WILLIAM A FL
    2010-07-03 → cancelled 2022-09-24
  • POLLARD, JOSEPH M FL
    2022-10-14 active
← Back to NF4M License history →