Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6TSS callsign genealogy
Currently held by Ferdman, Alan 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 K6TSS's current licensee, walking backwards.
- Ferdman, Alan JCAgranted 2020-07-20cancelled 2020-10-27
Successor callsigns
Callsigns held now by people who previously held K6TSS.
No current licensee on record previously held this callsign.