Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4LTD callsign genealogy
Currently held by Headrick, Calvin L
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 KW4LTD's current licensee, walking backwards.
- Headrick, Calvin LALgranted 2021-09-14cancelled 2021-12-31
Successor callsigns
Callsigns held now by people who previously held KW4LTD.
All historical holders
Every license row we've seen with the callsign KW4LTD, oldest first.
- Howell, Danny R TN2008-06-20 → cancelled 2008-08-09
- Headrick, Calvin L AL2021-12-31 → cancelled 2024-05-29