Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7JM callsign genealogy
Currently held by MOVIUS, ARTHUR 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 KL7JM's current licensee, walking backwards.
- MARTIN, JOHN JAKgranted 2016-11-22cancelled 2019-10-11
Successor callsigns
Callsigns held now by people who previously held KL7JM.
- MOVIUS, ARTHUR JMTgranted 2022-11-09
All historical holders
Every license row we've seen with the callsign KL7JM, oldest first.
- MOVIUS, ARTHUR J AK2009-07-07 → cancelled 2012-11-14
- MARTIN, JOHN AK2019-10-11 active