Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3RDW callsign genealogy
Currently held by Watters Jr, Ronald D
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 K3RDW's current licensee, walking backwards.
- Watters Jr, Ronald DWAgranted 2018-04-25cancelled 2018-05-15
Successor callsigns
Callsigns held now by people who previously held K3RDW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3RDW, oldest first.
- Watson, Ronald D MD2001-05-04 → cancelled 2013-05-07
- Watters Jr, Ronald D WA2018-05-15 active