Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5JM callsign genealogy
Currently held by Mandell, John H
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 KB5JM's current licensee, walking backwards.
- Mandell, John HTXgranted 2017-01-20cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held KB5JM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5JM, oldest first.
- FLYNN, MINNIE J LA2002-06-03 → cancelled 2014-08-26
- Mandell, John H TX2017-03-17 active