Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW7PDX callsign genealogy
Currently held by Hengge, Christopher A
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 WW7PDX's current licensee, walking backwards.
- Hengge, Christopher AORgranted 2017-03-01cancelled 2017-03-20
Successor callsigns
Callsigns held now by people who previously held WW7PDX.
- Hengge, Christopher AOKgranted 2020-10-31