Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PDX callsign genealogy
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 K1PDX's current licensee, walking backwards.
- Lipsey, Benjamin SORgranted 2015-05-28cancelled 2015-10-03
Successor callsigns
Callsigns held now by people who previously held K1PDX.
- DINMAN, SAUL BMAgranted 1998-05-06cancelled 2001-09-25
All historical holders
Every license row we've seen with the callsign K1PDX, oldest first.
- Lipsey, Benjamin S OR2025-07-31 active
- —— → cancelled 1998-05-06