Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KM4CSO

Expired

Engle, John W

Location: ANNANDALE, VA
Class: Technician
Granted: 2014-06-24
Expires: 2024-06-24
Previous call: KM4CPP
FRN: 0023712367

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

Vanity availability

651d

Available on 2028-06-23

KM4CSO expired on 2024-06-24. Hold ends in 651 days.

Last held by Engle, John W (VA).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

KM4CPPcancelled· G
Pitorri, Peter AVAgranted 2017-02-04cancelled 2017-12-27
KM4ZZJcancelled· T
Pitorri, Peter AVAgranted 2016-12-30cancelled 2017-02-04

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KG4VBI 2026-09-12
W4CVH 2026-09-12
KQ4URY 2026-09-13
KD4SUS 2026-09-14
KD4SVO 2026-09-14

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 →