Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9YPU callsign genealogy
Currently held by Erickson, Jack 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 KD9YPU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9YPU.
- Erickson, Jack WWIgranted 2025-07-15