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

W3MAM

Cancelled

SWEENEY, DAVID

Location: QUEENSTOWN, MD
Class: Amateur Extra
Granted: 2019-07-26
Expires: 2029-07-26
Previous call: KC3NSV
FRN: 0028612299

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Vanity availability

Available

Available now

W3MAM cleared its 2-year hold on 2026-04-23. Eligible for vanity application.

Last held by SWEENEY, DAVID (MD).

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

KC3NSVcancelled· T
SWEENEY, DAVIDMDgranted 2019-07-08cancelled 2019-07-26

Prior holders later became

NW3Lactive· E
SWEENEY, DAVIDMDgranted 2024-04-23

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

N3JTJ 2026-09-12
KB3ZFH 2026-09-13
KC3MJH 2026-09-13
KC3ZPN 2026-09-13
KB3HRU 2026-09-18

Starting with W3

All →

W3IFX NY · 2026-09-10
W3AHR PA · 2026-09-20
W3YMB PA · 2026-09-21
W3TAL MD · 2026-09-28
W3EOP PA · 2026-10-07

Full history → Vanity availability → Callsign genealogy →