Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9WOC callsign genealogy
Currently held by Riedel, Cheryl M
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 K9WOC's current licensee, walking backwards.
- Riedel, Cheryl MWIgranted 2016-08-10cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held K9WOC.
No current licensee on record previously held this callsign.