uls-tracker Sign in

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

KR4BLN

Cancelled

Shirley, Michael L

Location: Hinesville, GA
Class: Amateur Extra
Granted: 2025-02-15
Expires: 2035-02-15
FRN: 0036563120

Sign in to watch

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

Vanity availability

239d

Available on 2027-05-08

KR4BLN cancelled on 2025-05-08. Hold ends in 239 days.

Last held by Shirley, Michael L (GA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Prior holders later became

KZ4SVactive· E
Shirley, Michael LGAgranted 2025-02-15

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

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

Starting with KR4

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →