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

WA4MMS

Expired

Kruk, Ronald E

Location: Jacksonville, NC
Class: Amateur Extra
Granted: 2011-10-18
Expires: 2021-10-18
Previous call: K4SRK
FRN: 0002681211

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Vanity availability

Available

Available now

WA4MMS cleared its 2-year hold on 2025-10-17. Eligible for vanity application.

Last held by Kruk, Ronald E (NC).

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

K4SRKactive· T
Sorokti, Craig PNCgranted 2026-03-17
KR4KDBcancelled· T
Sorokti, Craig PNCgranted 2026-02-26cancelled 2026-03-17

Prior holders later became

K4SRKcancelled· E
Kruk, Ronald ENCgranted 2007-02-09cancelled 2011-10-18

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KG4ULQ 2026-09-11
KG4VAK 2026-09-11
KG4VAL 2026-09-11
KG4VAO 2026-09-11
KG4VAP 2026-09-11

Starting with WA4

All →

WA4OUF VA · 2026-09-28
WA4TWH NC · 2026-10-01
WA4ZHB NC · 2026-10-05
WA4MRP NC · 2026-10-11
WA4JFC FL · 2026-11-01

Full history → Vanity availability → Callsign genealogy →