Confidence: Medium · Source: FCC ULS · As of 2026-09-09

K4HAX

Active

Mach, Darwin L

Location: Centreville, VA
Class: Amateur Extra
Granted: 2024-08-14
Expires: 2034-11-07
Previous call: KM4FCH
FRN: 0023990146

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

K4HAX is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KM4FCHcancelled· E
Mach, Darwin LVAgranted 2014-10-20cancelled 2014-11-07

Prior holders later became

W9YJHcancelled· A
PEMBERTON, J MAXKYgranted 1996-06-29cancelled 1999-01-11

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KB3ZEV 2026-09-09
KK4LMC 2026-09-09
KK4LMF 2026-09-09
KK4LMX 2026-09-10
KQ4GPU 2026-09-10

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →