Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1SDL callsign genealogy
Currently held by CAIN, GREGORY M
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 K1SDL's current licensee, walking backwards.
- CAIN, GREGORY MNHgranted 1993-06-22cancelled 2003-04-25
Successor callsigns
Callsigns held now by people who previously held K1SDL.
No current licensee on record previously held this callsign.