Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY1DHO callsign genealogy
Currently held by Kupser, Andrew L
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 WY1DHO's current licensee, walking backwards.
- Kupser, Andrew LIDgranted 2022-03-08cancelled 2022-04-05
Successor callsigns
Callsigns held now by people who previously held WY1DHO.
No current licensee on record previously held this callsign.