Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1YD callsign genealogy
Currently held by NICOLSON, ALEXANDER 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 K1YD's current licensee, walking backwards.
- NICOLSON, ALEXANDER MMAgranted 1999-06-10cancelled 2000-07-22
Successor callsigns
Callsigns held now by people who previously held K1YD.
No current licensee on record previously held this callsign.