Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4JRM callsign genealogy
Currently held by MIDDLETON SR, JOHN R
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 KA4JRM's current licensee, walking backwards.
- MIDDLETON SR, JOHN RNCgranted 2004-05-11cancelled 2014-04-04
- KA2FLPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA4JRM.
No current licensee on record previously held this callsign.