Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4HOY callsign genealogy
Currently held by MYCKO, TERESA 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 KA4HOY's current licensee, walking backwards.
- ROTHLUEBBER, LEVISCgranted 2024-11-05cancelled 2024-11-23
Successor callsigns
Callsigns held now by people who previously held KA4HOY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4HOY, oldest first.
- MYCKO, TERESA M SC2000-11-08 → cancelled 2012-11-28
- ROTHLUEBBER, LEVI SC2024-11-23 active