Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4RM callsign genealogy
Currently held by SMITH, WALTER 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 AD4RM's current licensee, walking backwards.
- KN4POScancelledRoco Moco Repeater ClubTNgranted 2018-10-15cancelled 2018-11-03
Successor callsigns
Callsigns held now by people who previously held AD4RM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD4RM, oldest first.
- SMITH, WALTER D VA1994-04-26 → cancelled 2006-04-27
- Roco Moco Repeater Club TN2018-11-03 active