Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1SAM callsign genealogy
Currently held by Zack, Samuel T
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 KA1SAM's current licensee, walking backwards.
- Zack, Samuel TCTgranted 2023-02-08cancelled 2023-02-28
Successor callsigns
Callsigns held now by people who previously held KA1SAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1SAM, oldest first.
- HATHAWAY, NEIL J MA2010-10-01 → cancelled 2021-06-29
- Zack, Samuel T TX2023-02-28 active