Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS4JMH callsign genealogy
Currently held by HAIFLEY, JOSIAH 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 KS4JMH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KS4JMH.
No current licensee on record previously held this callsign.