Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0YKA callsign genealogy
Currently held by Henderson, Martin J
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 KF0YKA's current licensee, walking backwards.
- Henderson, Martin JIAgranted 2026-05-09cancelled 2026-05-11
Successor callsigns
Callsigns held now by people who previously held KF0YKA.
- Henderson, Martin JIAgranted 2026-05-30cancelled 2026-06-26