Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KV4X callsign genealogy
Currently held by PRELLWITZ, JEREMY 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 KV4X's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KV4X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KV4X, oldest first.
- HEMBREE, PATSY J TN2014-07-24 → cancelled 2026-09-16
- PRELLWITZ, JEREMY M SC2026-10-03 active