Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JMH callsign genealogy
Currently held by HOBLER, JASON 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 K4JMH's current licensee, walking backwards.
- HOBLER, JASON MNCgranted 2019-04-26cancelled 2019-05-18
Successor callsigns
Callsigns held now by people who previously held K4JMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JMH, oldest first.
- CLEARWATER AMATEUR RADIO SOCIETY INC FL2007-03-07 → cancelled 2019-04-16
- HOBLER, JASON M NC2019-05-18 active