Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7RJ callsign genealogy
Currently held by MARK, SHERRY D
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 KK7RJ's current licensee, walking backwards.
- MARK, SHERRY Dcancelled 1998-12-31
Successor callsigns
Callsigns held now by people who previously held KK7RJ.
- Mark, Sherry DWAgranted 2008-10-10cancelled 2020-10-14