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

WW4MM

Expired

WARRINGTON, DAVID J

Location: Riverton, WY
Class: Amateur Extra
Granted: 1998-07-15
Expires: 2008-07-15
Previous call: N7PGS
FRN: 0002128890

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Vanity availability

542d

Available on 2028-03-04

WW4MM expired on 2024-03-05. Hold ends in 542 days.

Last held by Meredith, Darrell (AZ).

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

KK4VDYcancelled· E
Meredith, DarrellFLgranted 2013-11-13cancelled 2014-01-07

License history

0 events

No recorded events.

More vanity slots coming available

From Wyoming

All →

KB7QAP 2026-09-14
KK7UDF 2026-09-17
KE0OJO 2026-09-26
KF7YSW 2026-09-26
N5MTW 2026-09-28

Starting with WW4

All →

WW4JM VA · 2026-10-26
WW4NEW FL · 2027-04-11
WW4FL FL · 2028-04-13
WW4ZAC VA · 2028-04-21
WW4DSP FL · 2028-05-19

Full history → Vanity availability → Callsign genealogy →