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

AI4XU

Cancelled

Groth, Martin

Location: Memphis, TN
Class: Amateur Extra
Granted: 2007-04-30
Expires: 2017-04-30
FRN: 0016293680

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Vanity availability

Available

Available now

AI4XU cleared its 2-year hold on 2018-11-01. Eligible for vanity application.

Last held by Groth, Martin (TN).

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 →

Prior holders later became

WB8XTactive· E
Groth, MartinTNgranted 2016-11-01

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
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KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with AI4

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AI4LB FL · 2026-09-18
AI4BO FL · 2026-11-20
AI4QU TN · 2026-11-29
AI4FC MA · 2026-12-16
AI4ES KY · 2026-12-31

Full history → Vanity availability → Callsign genealogy →