Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DAL callsign genealogy
Currently held by HALL SR, WALTER M
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 K4DAL's current licensee, walking backwards.
- Lingerfelt Jr, Dallas WTNgranted 2021-07-12cancelled 2022-06-22
Successor callsigns
Callsigns held now by people who previously held K4DAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DAL, oldest first.
- HALL SR, WALTER M VA2010-03-10 → cancelled 2022-06-01
- Lingerfelt Jr, Dallas W TN2022-06-22 active