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

KF8S callsign genealogy

Currently held by BEHNKE JR, DAVID P

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 KF8S's current licensee, walking backwards.

  1. AC8ZDcancelled· E
    BEHNKE JR, DAVID PMIgranted 2021-12-04cancelled 2023-06-03
  2. K9DPBcancelled· E
    BEHNKE JR, DAVID PMIgranted 2021-09-11cancelled 2021-12-04
  3. N8NZDcancelled· G
    BEHNKE JR, DAVID PMIgranted 2021-02-03cancelled 2021-09-11

Successor callsigns

Callsigns held now by people who previously held KF8S.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KF8S, oldest first.

  • King, Gillford S OH
    2011-02-07 → cancelled 2023-05-09
  • BEHNKE JR, DAVID P MI
    2023-06-03 active