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

AG4UM

Cancelled

Seidenberg, Everett F

Location: Stuart, FL
Class: Amateur Extra
Granted: 2003-04-10
Expires: 2013-05-18
Previous call: KE4BOA
FRN: 0003538501

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Vanity availability

Available

Available now

AG4UM cleared its 2-year hold on 2014-12-07. Eligible for vanity application.

Last held by Seidenberg, Everett F (FL).

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

KE4BOAcancelled· E
Seidenberg, Everett FFLgranted 1999-07-06cancelled 2002-06-28

Prior holders later became

W2KRSexpired· E
Seidenberg, Everett FFLgranted 2012-12-07cancelled 2024-12-10

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with AG4

All →

AG4TQ TN · 2026-09-21
AG4VH KY · 2026-09-21
AG4WQ FL · 2026-10-20
AG4XG TN · 2026-12-10
AG4ZA KY · 2026-12-10

Full history → Vanity availability → Callsign genealogy →