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

KN4HPC callsign genealogy

Currently held by Washington, Ryan 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 KN4HPC's current licensee, walking backwards.

  1. W4HPCcancelled· E
    CRAWFORD, HENRYTNgranted 2022-04-22cancelled 2023-03-13
  2. KY4MNcancelled· E
    CRAWFORD, HENRYTNgranted 2021-11-13cancelled 2022-04-22

Successor callsigns

Callsigns held now by people who previously held KN4HPC.

  1. KY4MNcancelled· E
    CRAWFORD, HENRYTNgranted 2021-11-13cancelled 2022-04-22
  2. WN3EWPactive· T
    Washington, Ryan RVAgranted 2017-12-19

All historical holders

Every license row we've seen with the callsign KN4HPC, oldest first.

  • Washington, Ryan R VA
    2017-11-14 → cancelled 2017-12-19
  • CRAWFORD, HENRY TN
    2021-11-13 → cancelled 2022-02-12
← Back to KN4HPC License history →