Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0YDT callsign genealogy
Currently held by UNDERWOOD, ALYSSA A
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 K0YDT's current licensee, walking backwards.
- UNDERWOOD, ALYSSA AMOgranted 2016-07-27cancelled 2020-01-07
Successor callsigns
Callsigns held now by people who previously held K0YDT.
No current licensee on record previously held this callsign.