Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9KTD callsign genealogy
Currently held by PERLMAN, SANFORD J
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 WB9KTD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB9KTD.
- PERLMAN, SANFORD JCAgranted 2018-01-23cancelled 2025-06-24