Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6SDB callsign genealogy
Currently held by Mendelson, Teri 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 KF6SDB's current licensee, walking backwards.
- Mendelson, Teri CCAgranted 2021-04-22cancelled 2021-08-31
Successor callsigns
Callsigns held now by people who previously held KF6SDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6SDB, oldest first.
- MENDELSON, TERI L CA2008-08-26 → cancelled 2020-08-27
- Mendelson, Teri C CA2021-08-31 active