Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RCK callsign genealogy
Currently held by Moore Jr, John 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 W4RCK's current licensee, walking backwards.
- Moore Jr, John DFLgranted 2019-03-27cancelled 2024-04-23
Successor callsigns
Callsigns held now by people who previously held W4RCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RCK, oldest first.
- Sims, Tommy W NC2007-10-23 → cancelled 2019-11-13
- Moore Jr, John D VA2024-04-23 active