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

AH6RT

Cancelled

Isobe, Michael K

Location: Honolulu, HI
Class: Amateur Extra
Granted: 2022-04-30
Expires: 2032-04-30
Previous call: NH6DV
FRN: 0004208674

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Vanity availability

Available

Available now

AH6RT cleared its 2-year hold on 2026-03-01. Eligible for vanity application.

Last held by Isobe, Michael K (HI).

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

NH6DVcancelled· E
ISOBE, MICHAEL KHIgranted 2021-02-19cancelled 2022-04-30

Prior holders later became

KH6Iactive· E
Isobe, Michael KHIgranted 2024-03-01
NS5Oexpired· E
HALBERT, JASON PTXgranted 2005-08-19cancelled 2017-08-22

License history

0 events

No recorded events.

More vanity slots coming available

From Hawaii

All →

WH6HBG 2026-09-10
WH6IM 2026-09-10
KG6HRX 2026-09-20
WH6EAS 2026-09-20
WH6EAT 2026-09-20

Starting with AH6

All →

AH6UD NM · 2026-10-04
AH6IR CA · 2026-10-12
AH6UH HI · 2026-12-03
AH6RQ HI · 2026-12-15
AH6WL HI · 2027-02-11

Full history → Vanity availability → Callsign genealogy →