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

K4SYY

Active

GRAYSTON, CHARLES M

Location: ANNAPOLIS, MD
Class: Amateur Extra
Granted: 2018-06-14
Expires: 2028-08-01
Previous call: WA3VGB
FRN: 0002265288

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Vanity availability

Held

Currently held

K4SYY 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

WA3VGBcancelled· E
GRAYSTON, CHARLES MMDgranted 1998-11-19cancelled 2008-08-01

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

KB3INT 2026-09-09
KC3ZRU 2026-09-09
N3BYL 2026-09-09
N3JTJ 2026-09-12
KB3ZFH 2026-09-13

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →