Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3LSP callsign genealogy
Currently held by Szymanski, Mark 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 K3LSP's current licensee, walking backwards.
- Szymanski, Mark JPAgranted 2021-07-20cancelled 2021-08-13
Successor callsigns
Callsigns held now by people who previously held K3LSP.
No current licensee on record previously held this callsign.