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

KF6IDO

Cancelled

Naber, Mark A

Location: Sacramento, CA
Class: Amateur Extra
Granted: 2016-12-06
Expires: 2026-12-27
FRN: 0001931260

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Vanity availability

Available

Available now

KF6IDO cleared its 2-year hold on 2019-09-01. Eligible for vanity application.

Last held by Naber, Mark A (CA).

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

W6AEactive· E
Naber, Mark ACAgranted 2017-09-01

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AC2TX 2026-09-10
K6DJM 2026-09-10
KC6JGS 2026-09-10
KC6KGL 2026-09-10
KC6VEU 2026-09-10

Starting with KF6

All →

KF6GYH AR · 2026-09-17
KF6UW SC · 2026-10-16
KF6UT NM · 2026-10-21
KF6CNP CA · 2026-10-29
KF6WKB CA · 2026-11-09

Full history → Vanity availability → Callsign genealogy →