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

K7DU

Active

Cummings, Gregory S

Location: Woodinville, WA
Class: Amateur Extra
Granted: 2017-10-03
Expires: 2027-11-09
Previous call: K7SDU
FRN: 0010141653

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Vanity availability

Held

Currently held

K7DU is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

K7SDUexpired· T
Cummings, Matthew JWAgranted 2011-06-14cancelled 2023-07-12
KF7PQMcancelled· T
Cummings, Matthew JWAgranted 2011-05-11cancelled 2011-06-14

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 K7

All →

K7JVC AZ · 2026-09-09
K7UGT CO · 2026-09-09
K7RJN UT · 2026-09-21
K7JSD OR · 2026-09-24
K7RCK NV · 2026-09-24

Full history → Vanity availability → Callsign genealogy →