Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JMJ callsign genealogy
Currently held by Johnson, James 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 K5JMJ's current licensee, walking backwards.
- Johnson, James MTXgranted 2015-01-09cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held K5JMJ.
- LYNCH, DENNIS LOKgranted 2017-05-05
All historical holders
Every license row we've seen with the callsign K5JMJ, oldest first.
- LYNCH, DENNIS L OK2010-03-19 → cancelled 2017-05-05
- Johnson, James M TX2022-04-01 active