Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DR callsign genealogy
Currently held by Ready-Grout, Don 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 W1DR's current licensee, walking backwards.
- Cook, James RMAgranted 2007-05-22cancelled 2016-12-09
Successor callsigns
Callsigns held now by people who previously held W1DR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1DR, oldest first.
- RADIO OPERATORS ASSN OF NEW BEDFORD MA1995-02-02 → cancelled 2007-02-03
- Ready-Grout, Don H AZ2007-02-23 → cancelled 2014-11-19
- Cook, James R FL2016-12-09 active