Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4YOR callsign genealogy
Currently held by Mand, Sylvia R
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 KK4YOR's current licensee, walking backwards.
- MAND, SYLVIA RNCgranted 2009-03-27cancelled 2014-02-25
Successor callsigns
Callsigns held now by people who previously held KK4YOR.
- Mand, Sylvia RNCgranted 2019-01-31