Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4THS callsign genealogy
Currently held by SEIVERS, KELVIN T H
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 K4THS's current licensee, walking backwards.
- SEIVERS, KELVIN T Hcancelled 1998-04-28
Successor callsigns
Callsigns held now by people who previously held K4THS.
No current licensee on record previously held this callsign.