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

KD7OA

Cancelled

PRESTON, CHARLES M

Location: Troy, ID
Class: Amateur Extra
Granted: 2015-09-29
Expires: 2025-09-29
Previous call: KL7OA
FRN: 0016887291

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Vanity availability

Available

Available now

KD7OA cleared its 2-year hold on 2017-12-14. Eligible for vanity application.

Last held by PRESTON, CHARLES M (ID).

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

KL7OAcancelled· E
PRESTON, CHARLES MIDgranted 2007-09-05cancelled 2015-09-29

Prior holders later became

K7TAAactive· E
PRESTON, CHARLES MIDgranted 2025-09-30

License history

0 events

No recorded events.

More vanity slots coming available

From Idaho

All →

KK7LVT 2026-09-10
KF5RYE 2026-09-11
KF7YNS 2026-09-13
KF7YNT 2026-09-13
KJ7KTP 2026-09-13

Starting with KD7

All →

KD7MOB UT · 2026-09-11
KD7NAK WA · 2026-09-11
KD7SJF OR · 2026-09-11
KD7SQL OR · 2026-09-12
KD7SQM OR · 2026-09-12

Full history → Vanity availability → Callsign genealogy →