Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3SAM callsign genealogy
Currently held by Swigart Sr, Thomas 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 KB3SAM's current licensee, walking backwards.
- Lossef, Samuel BDCgranted 2020-09-01cancelled 2021-02-12
Successor callsigns
Callsigns held now by people who previously held KB3SAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3SAM, oldest first.
- Swigart Sr, Thomas J PA2008-11-20 → cancelled 2020-11-21
- Lossef, Samuel B DC2021-02-12 active