Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KM4NPX

Cancelled

Caldwell, Benjamin M

Location: Newnan, GA
Class: General
Granted: 2014-09-15
Expires: 2024-09-15
Previous call: KM4EFU
FRN: 0023939408

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Vanity availability

Available

Available now

KM4NPX cleared its 2-year hold on 2021-12-12. Eligible for vanity application.

Last held by Caldwell, Benjamin M (GA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KM4EFUcancelled· G
Caldwell, Benjamin MTNgranted 2014-09-15cancelled 2015-10-01

Prior holders later became

W4RZWactive· G
Caldwell, Benjamin MGAgranted 2019-12-13

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

All →

KK4LOC 2026-09-11
KK4LOG 2026-09-11
KK4LOH 2026-09-11
KK4LOK 2026-09-11
KK4LOU 2026-09-13

Starting with KM4

All →

KM4AHK PA · 2026-09-21
KM4JCT GA · 2026-09-28
KM4FBY SC · 2026-10-01
KM4IS NC · 2026-10-03
KM4NGF AL · 2026-10-07

Full history → Vanity availability → Callsign genealogy →