Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JHM callsign genealogy
Currently held by MYERS, HAROLD C
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 K4JHM's current licensee, walking backwards.
- MOLLER, JERALD HFLgranted 2014-07-10cancelled 2020-01-14
Successor callsigns
Callsigns held now by people who previously held K4JHM.
- MOLLER, JERALD HFLgranted 2020-02-28
All historical holders
Every license row we've seen with the callsign K4JHM, oldest first.
- MYERS, HAROLD C TX2005-05-12 → cancelled 2017-06-28
- MOLLER, JERALD H FL2020-01-14 → cancelled 2020-02-28