Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1DJR callsign genealogy
Currently held by Brench, Colin E
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 W1DJR's current licensee, walking backwards.
- Brench, Colin EMAgranted 2013-10-24cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held W1DJR.
No current licensee on record previously held this callsign.