uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KM4VA callsign genealogy

Currently held by Proehl, Darrin R

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 KM4VA's current licensee, walking backwards.

  1. W4DRPcancelled· E
    Proehl, Darrin RVAgranted 2020-09-18cancelled 2024-12-06
  2. N4WTNactive· G
    Butler, HowardTNgranted 2024-08-27
  3. KQ4UHIcancelled· T
    Butler, HowardTNgranted 2024-08-06cancelled 2024-08-27

Successor callsigns

Callsigns held now by people who previously held KM4VA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KM4VA, oldest first.

  • LETZELTER, JAMES C FL
    1989-07-11 → cancelled 2001-07-12
  • Proehl, Darrin R VA
    2024-12-06 active
← Back to KM4VA License history →