Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9WVU callsign genealogy
Currently held by Simpson, Sean C
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 KD9WVU's current licensee, walking backwards.
- Simpson, Sean CILgranted 2020-12-15cancelled 2021-01-08
Successor callsigns
Callsigns held now by people who previously held KD9WVU.
- Simpson, Sean CFLgranted 2021-09-14