Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ0LDR callsign genealogy
Currently held by Trumbly, Anthony S
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 KJ0LDR's current licensee, walking backwards.
- Trumbly, Anthony SCOgranted 2010-01-12cancelled 2010-02-02
Successor callsigns
Callsigns held now by people who previously held KJ0LDR.
No current licensee on record previously held this callsign.