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

KK7SLR

Cancelled

Piston, Charles E

Location: Seattle, WA
Class: General
Granted: 2024-04-03
Expires: 2034-04-03
FRN: 0035111012

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Vanity availability

Available

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KK7SLR cleared its 2-year hold on 2026-04-23. Eligible for vanity application.

Last held by Piston, Charles E (WA).

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

WN7PACactive· E
Piston, Charles EWAgranted 2024-04-23

License history

0 events

No recorded events.

More vanity slots coming available

From Washington

All →

KD7SPS 2026-09-09
KJ7SVP 2026-09-10
KK7SYB 2026-09-10
KK7UYR 2026-09-10
KK7UYZ 2026-09-10

Starting with KK7

All →

KK7LVT ID · 2026-09-10
KK7NUS OR · 2026-09-10
KK7SXR UT · 2026-09-10
KK7SYB WA · 2026-09-10
KK7UWX OR · 2026-09-10

Full history → Vanity availability → Callsign genealogy →