Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4VET callsign genealogy
Currently held by KLINGMAN, KARL A
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 KF4VET's current licensee, walking backwards.
- Sizemore, PerrinMSgranted 2011-04-21cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held KF4VET.
All historical holders
Every license row we've seen with the callsign KF4VET, oldest first.
- Sizemore, Perrin MS2019-11-30 → cancelled 2023-06-06
- KLINGMAN, KARL A— → cancelled 1998-03-24